Why are only about 100 of the millions of known substances identified as elements?
PLEASE ANSWER QUICKLY

Answers

Answer 1

Answer: Elements are made up of one type of atom.

The particles can be a single atom or a molecule made of only one kind of atom. There is no physical change that can separate elements into more than one kind of substance.

Explanation: Hope it helps :)


Related Questions

evaluate the extent to which some communities in South Africa have contributed towards keeping their environment clean​

Answers

Section 24 of the Constitution recognizes the right to a safe environment for one's health and well-being, and it instructs the government to take legislative and other steps to prevent pollution and ecological damage.

What does South Africa do to protect the environment?

South Africa is establishing itself as a global leader in efforts to cut carbon emissions and strengthen climate resilience. USAID works with South Africa to promote climate-friendly development that decreases greenhouse gas emissions while stimulating economic growth.

Through seminars and workshops, USAID also interacts with civil society and higher education institutions such as the Wildlife and Environment Society of South Africa and the University of Cape Town to develop the capacity to comprehend and adapt to climate change.

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Which phrase best completes the diagram.
A. Monitor and criticize the president.
B. advise the president on political matters.
C. represent Congress in the executive branch.
D. operate without presidential influence.

Answers

Answer:c

Explanation:

Since the recent resignation of two Federal Election Commission members, the lack of quorum has prevented

the Commission from being able to create rules needed to protect elections. The president has nominated an

extremely conservative talk-show radio-host to be on the Commission, breaking with the tradition of

nominating one Democrat and one Republican to maintain neutrality in election rule-making. The Senate is

refusing to confirm the President's nominee.

1. Describe how the president could utilize their bully pulpit to speed up the confirmation process.

2. Explain why it is important for independent agencies to be immune to partisanship when carrying out their

duties.

3. Explain how partisan divisions could prevent the president from successfully pressuring the Senate as

described in Part A

Answers

The president can utilize the Bully Pulpit to speed up the confirmation process by:

putting pressure on the commission using mass and social media.

What is a Bully Pulpit?

A bully pulpit is a public office that is empowered by the office of the president to speak out and be heard on any matter.

Why is it important for independent agencies to be immune to partisanship when carrying out their duties?

In political administration, it is crucial for the independent executive agency to be immune to partisanship so that there will be:

Lack of biasAutonomyNo retribution

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How does Juche fit into a totalitarian government? Please help

Answers

The hyo (filial piety) system of Juche Ideology of the North Korea that leans excessively upon the hyo of obedience gives rise to the criticism that the North Korean political system is too extremely totalitarianism. To keep the North Korean system through Juche Ideology, the regime needs to make use of friendship of hyo in Juche Ideology too. Once the North Korean people's demands are satisfied properly through friendship of hyo, Kim's regime can invigorate the North Korean people to overcome their difficulties. If Jung Il Kim harmoniously makes use of the hyo of obedience and the hyo of friendship in Juche Ideology, he will succeed in keeping his power alive and developing the North Korea regime together.

The Thematic Apperception Test (TAT) is based on the hypothesis that when a person interprets an ambiguous picture, that person is

Answers

The Thematic Apperception Test (TAT) is based on the hypothesis that when a person interprets an ambiguous picture, that person is projective.

What is Thematic apperception test?

Thematic apperception test is a form of projective test that is use to assess both children and adults. It reveals a person's perception about interpersonal relationships or relationships between many people. It help people to explain what they understand about ambiguous scenes or pictures.

Therefore, The Thematic Apperception Test (TAT) is based on the hypothesis that when a person interprets an ambiguous picture, that person is projective.

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One-year-old sydney cries when his father hands him to an unfamiliar babysitter and leaves the room. Sydney’s reaction is a result of his acquisition of.

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One-year-old sydney cries when his father hands him to an unfamiliar babysitter and leaves the room, the reaction is a result of object permanence.

What is object permanence?

Permanence is a psychological study that is done to help a child to understand the presence of a object.

It helps the child to know the presence of an objects or a thing especially when they cannot see or hear it.

Therefore, One-year-old sydney cries when his father hands him to an unfamiliar babysitter and leaves the room, Sydney’s reaction is a result of his acquisition of object permanence.

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Virtually all drugs that are used to treat psychopathology work by influencing: neurotransmitters electrical conductivity of neurons brain structure neuronal structure

Answers

Drugs used to treat psychopathology influence neurotransmitters, which are the body's chemical messengers.

What is the function of neurotransmitters?

They are molecules of the nervous system responsible for transmitting messages between neurons and to the muscles, being converted into chemical signals, causing different responses in the receptors, influencing behaviors and emotions.

Therefore, drugs used to treat psychopathology influence the response of neurotransmitters such as serotonin and dopamine, associated with feelings of happiness and pleasure.

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The strengthening of a response by following it with a pleasurable consequence or removing an unpleasant stimulus is called __________.

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The strengthening of a response by following it with a pleasurable consequence or removing an unpleasant stimulus is called reinforcement.

What is reinforcement?

Reinforcement is a form of behavioral psychology, it is referred to as a consequence or a result that is obtained and when applied to a particular happening or situation it gives strength and encouragement to an individual's future behavior.

It is a response that is stimulated by stimulus.

Therefore, The strengthening of a response by following it with a pleasurable consequence or removing an unpleasant stimulus is called reinforcement

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State and explain four ways by which improved health of people can contribute to national development.

Answers

Answer:

a. improved health can help to reduce mortality in the nation

b. the money which is used to buy excessive drugs can be channeled to other developments

c. families are able to save money which will be used as a contribution to the nation

d. it also helps to reduce the spread of diseases

The best-known polytheistic religion is a. judaism. c. hinduism. b. christianity. d. catholicism. please select the best answer from the choices provided a b c d

Answers

The best-known polytheistic religion is referred to Hinduism. Option C is correct.

What is polytheistic religion?

Polytheism is the religion of several gods and goddesses, each with their unique religious groups and rites, which are frequently combined into a pantheon of gods and goddesses.

A kind of theology is polytheism. Within theism, it compares with monotheistic, which is the trust in a single, transcendent God.

In India, there are four polytheistic religion such as Buddhism, Hinduism, animism and Shintoism.

Therefore, option C is correct.

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Answer: C. Hinduism.

Explanation:

Julia wants to write an essay about how her aunt Caroline taught her to love the outdoors and appreciate nature. Which detail would best support Julia's purpose?

A.
Aunt Caroline took Julia on her first overnight camping trip and taught her to identify different types of bird calls.
B.
Julia admired Aunt Caroline for her independent adventurous spirit.
C.
Aunt Caroline recounted her scariest camping adventure and taught Julia a valuable lesson on fire safety.
D.
Julia learned the fastest ways to start a campfire, during her outdoor survival course.

Answers

Answer:

A

Explanation:

You have been driving a manual transmission vehicle for 5 years and no longer need to think about what you are doing in order to drive. Which pathway is involved

Answers

Basal ganglia pathway

-This task is now routine and automatic

Why do you think North Korea cares so much about being independent?

Answers

Independence and thriving in independence shows great strength. I think North Korea cares a lot about appearing strong, whether they really are or not.

Answer:

Read Explanation.

Explanation:

I think a lot of North Korea's independence comes from the size of North Korea. I mean sure, North Korea has a military, but that is pretty much it as it is a poor country. I think it stems from the beliefs of its leaders and former leaders as North Korea is based on a Juche system.

A _______________________ is a cultural system in which men hold the primary power to manipulate meaning and values such that even women perceive their own subjugation as the natural order of things.

Answers

A hegemonic patriarchy is a cultural system in which men hold the primary power to manipulate meaning and values such that even women perceive their own subjugation as the natural order of things.

What is cultural system?

A cultural system is the interaction of various cultural factors. While a cultural system is distinct from a social system, the sociocultural system refers to the combination of the two.

Thus, hegemonic patriarchy is the  cultural system.

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Identify an entrepreneur. (Choose Option A or Option B.)Option A: Do you know a successful entrepreneur in your community? Chances are there are many business owners and entrepreneurs in your area you could interview. If you choose this option, be sure to get approval from your parent or guardian before you conduct the interview. View this helpful activity for tips on conducting an interview. You'll need a photo of your entrepreneur for your profile. Option B: Select an entrepreneur from the list below to research. You may choose to research another entrepreneur who interests you. Be sure to seek approval from your parent or guardian and your instructor before choosing someone who is not on the list. Ben Cohen—ice cream Debbie Fields Rose—cookies Daymond John—fashion Blake Mycoskie—shoes Joseph Unahue—packaged foods Vera Wang—fashion Oprah Winfrey—media Research the entrepreneur. If you choose to interview a local entrepreneur, you will ask questions to learn about the person. If you are not able to conduct an interview, then you will complete Internet research to learn about your chosen entrepreneur from the list above. You may find this research activity helpful in your research. Whether you choose to conduct an interview or research a famous entrepreneur online, be sure to learn as much as you can about the person. His or her background, motivation to start a business, and efforts to grow the business are all important pieces of information. Create a profile. Use the Online Entrepreneur Profile template. This would look like a social media page that has information about your chosen entrepreneur. Remember, you want to grab the attention of and inspire other students like you. In your profile, be sure to include the following facts about your entrepreneur: personal background the business idea motivations and incentives to start the business how the entrepreneur kept the business competitive how the business has grown and spread to more people Save your work in one file to turn in. Use

Answers

The entrepreneur that has been chosen for this project is Oprah Winfrey.

What is Oprah Winfrey's background?

Oprah was born in the state of Mississipi to a teenage mother and she was said to have lived in poverty.

What motivated Oprah to start a business?

The motivation that led Oprah to go into the entertainment industry was the fact that she had passion for quality and standard entertainment programs.

The efforts Oprah has put into growing her business

She has made her business stand out through the launching of her radio, the production of a broadway musical, and the ability to take risks in new ventures.

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his editorial cartoon MOST likely refers to A) the Voting Rights Act. B) Plessy v. Ferguson. Eliminate C) the Twenty-sixth Amendment. D) Brown v. Board of Education.

Answers

Answer:

D brown v. board of education

Explanation:

got just took the usa test prep

Answer: THE ANSWER IS  D.) "Brown v. Board of Education."

Explanation: JUST TOOK THE 60 QUESTION FINAL HISTORY EXAM ON K12

Under what circumstances should a person open a checking account?
OA. When a person wants to make purchases without using cash
B. When a person wants to pay special fees
O C. When a person wants to accrue interest
D. When a person needs to convert dollars into other types of
currency

Answers

Answer:

A

Explanation:

Got it right on edge 2022

1. Igneous rocks become sedimentary rocks by. A. Weathering and Erosion B and Sedimentary rocks can become metamorphic rocks by applying Heat​

Answers

Answer:

B

Explanation:

Explain how lack of responsible citizenship can lead to further cases of human rights violations within a community?

Answers

Answer:

make me brainliest pls

Explanation:

In countries emerging from violence, official channels for defending justice and human rights, and resolving disputes can be slow, expensive and corrupt. Often, people are left to take justice into their own hands.

We support local activists to provide an alternative: monitoring and reporting human rights abuses at the onset of unrest so that widespread violence can be prevented.

They speak out against human rights abuses, secure the release of people wrongly arrested, and take action to stop local conflicts escalating.

This means the people they live and work amongst do not have to live in fear of a knock at the door. You can help more people live without fear.

In Pakistan…

We support local peacebuilders to stand up for women’s rights in an area where violence against women is endemic and their rights rarely acknowledged.

In Zimbabwe…

We support our partner to address a culture of violence by training traditional leaders and engaging the police in conflict.

In DR Congo…

In war-torn South Kivu, we support our partner to run a network of village-level courts that offer free access to justice for the local population.

In middle adulthood the __________ of the eye enlarges and becomes less flexible and less transparent, making it more difficult to perceive images in sharp focus and to see in dim light.

Answers

In middle adulthood, the lens of the eye enlarges and becomes less flexible and less transparent, making it more difficult to perceive images in sharp focus.

What are the lens of the eyes?

The lens is a curved entity in the eye that bends light and targets it for the retina to help you see images clearly. It is a clear disk behind the iris, is flexible and changes shape to help you see objects at varying distances.

Therefore, the answer is lens.

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Timmy has recently been diagnosed with schizophrenia and believes that government agents are spying on him through his television. He is experiencing

Answers

Timmy has been suffering from schizophrenia disease. He is believing that the government agents are spying on him is a part of the hallucination, a symptom of schizophrenia.

What is schizophrenia?

Schizophrenia is a kind of mental illness where an individual interprets an abnormal event to be a real one. This type of chronic illness has been found in at least 1% of the population in America.

The symptoms of Schizophrenia can be both positive or negative depending on the interpretation of the affected person. In the provided situation, Timmy is demonstrating a positive side of Schizophrenia which is actually a hallucination where the event is created in the affected person's mind but actually does not exist in reality.

Therefore, Timmy experiences a hallucination which is one of the symptoms of schizophrenia.

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You hear the fog signal of another vessel, and a risk of collision exists. What action must you take?.

Answers

Answer:

The action that you must take would be to turn your vessel around to avoid the risk of collision.

Explanation:

how does an increase in friction affect the movement of an object moving in a straight line

Answers

Answer:

Friction is the force that acts to resist sliding between two surfaces that are touching. It can slow down or stop the motion of an object. The slowing force of friction always acts in the direction opposite to the force causing the motion. For example, friction slows or stops the motion of moving parts of machines.

Explanation:

Friction is the force that acts to resist sliding between two surfaces that are touching. It can slow down or stop the motion of an object. The slowing force of friction always acts in the direction opposite to the force causing the motion. For example, friction slows or stops the motion of moving parts of machines.

Eight-year-old Roberto knows that all dogs bark. His neighbor has a dog named Spot, and he concludes that Spot barks. Roberto's ability to make this conclusion is an example of

Answers

The ability of Roberto to make a conclusion statement relating to the barking of dogs is an example of deductive reasoning.

What is the reasoning?

Reasoning is the process of making conclusions, and predictions, and giving explanations on the basis of existing knowledge. There are two kinds of reasoning namely, inductive reasoning and deductive reasoning.

Deductive reasoning is an approach where a common statement is cited and then concluded in a more specific statement. it is also considered as using a top to down logic. in the provided question, 'all dogs bark' is the common statement and a dog in his neighborhood called Spot also barks is the specific statement made by Robert.

Therefore, the conclusion given by Robert is considered an example of deductive reasoning.

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With sustained stress, during what stage of the general adaptation syndrome does a new level of homeostasis occur

Answers

The resistance stage corresponds to the stage of the general adaptation syndrome where a new level of homeostasis occurs.

What are the characteristics of the resistance stage?

It occurs after the alarm stage when stress is sustained and glucocorticoid hormones are released. To maintain homeostasis, endocrine secretions will integrate actions to maintain adequate blood glucose levels.

Therefore, it is essential that when perceiving stress, the individual seeks specialized help, since high levels of stress can lead to failures in the functioning of vital organs and cause serious health problems.

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At alarming stage of general adaptation syndrome does a new level of homeostasis occur.

What is Homeostatis?

Homeostasis is the ability of an individual body to be stable or to maintain stability with the help of some vitals body organ.

The individual body have the tendency to regulate different happenings or activities of the body to keep the body stable.

Therefore, At alarming stage of general adaptation syndrome does a new level of homeostasis occur.

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Suppose that you are volunteering at a community program for elderly adults. With respect to working memory, you should remember that these elderly individuals will have the most difficulty when they are asked to Group of answer choices

Answers

Answer:

so what are you asking in this question?

The 1976 national emergencies act, restricting presidential national emergency declarations, attempts to restrict which type of presidential power?.

Answers

The inherent presidential powers are the types of powers that restricts  presidential national emergency declarations.

What are the inherent presidential powers?

These are the powers that the constitution of the country does not grant to the president of the nation.

They are an extension of the powers that the president has as the leader of the nation.

These include:

Immigration regulationending labor strike

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Carmen suffers from anxiety and depression. She meets once a week with a therapist and a small group of people who also suffer from anxiety and depression. Carmen is engaging in

Answers

Cameron consults a therapist once a week as she undergoes anxiety and depression. She also talks to other patients suffering from the same illness. This process is known as psychotherapy.

What is anxiety?

Anxiety is a kind of illness where a person is suffering from a high level of tension or worries. It is a mind-related disease that is quite common in today's world.

Psychotherapy is the process where a person talks to a mental health therapist like a psychologist, psychiatrist, etc. for treating his/her mental illness like anxiety, depression, etc. The act of taking consultation by Cameron, from a therapist on weekly basis to treat her anxiety and depression is actually a part of psychotherapy. In this process, she gets to know how to overcome his illness.

Therefore, Cameron is engaging in psychotherapy for overcoming her illness of anxiety and depression.

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Select the reasons why choanoflagellates are thought to be the closest living relatives to animals. Check all that apply.

Answers

The choanoflagellates are thought to be the closest living relatives to animals were they are simple multicellular organisms similar to simple animals. Molecular comparisons between choanoflagellates and simple animals are similar.

What do you mean by the choanoflagellates?

With a whip-like flagellum and a collar of shorter hairs that resembles the food-filtering "collar" cells that line the channels of sponges, choanoflagellates are a group of marine and freshwater protozoans that are dispersed all over the world.

Choanoflagellates are used as a suitable model for the reconstruction of the final unicellular ancestor of animals because they are the closest extant relatives of animals.

Choanoflagellates have the ability to reproduce both asexually and sexually.

Therefore, the choanoflagellates are thought to be the closest living relatives to animals were they are simple multicellular organisms similar to simple animals. Molecular comparisons between choanoflagellates and simple animals are similar.

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Even if high school student councils generally cannot accomplish much, participating in elections for these bodies may be important because it ______.

Answers

High school student councils should participate in elections as it helps them to expand their resumes, enhance their soft skills, contribute to their personal growth, and also increases their recognition among the teachers.

Who are high school students?

High school students are those who are learning in public school from grade 9 to 12. They are senior students for the junior ones from below the grade of 9.

The participation of high school student councils in elections helps them in their personal growth by doing various initiatives for student development or standing on behalf of students relating to any concerned issue. This raises the skills that they are going to provide in their resumes at the time of searching for any job or profession. It also helps them to score additional marks due to recognition in the eyes of many teaching professionals which eventually raises their overall exam performance.

Therefore, the students who are engaging in the high school council must participate in the school elections.

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List these from most important to least important 6. What is the "elastic clause"? Why is it called that? Which factor contributed most to the growth of the middle class? A company claims that 9% of the items produced on a new machine are defective. The factory will get rid of the machine if the data indicates that the proportion of defective items is more than 9%. They take a random sample of 300 items and 50 are defective.What null hypothesis is appropriate? Select the following statement(s) about how the organisms in the food chain store carbon that is(are)NOT true.a. The algae use carbon dioxide to create glucose to be stored for later use.b. The crab ingests carbon from the snail and stores the carbon until it used for energy.c. The fish ingests carbon dioxide from the hydrosphere and stores the carbon for later use.d. The crab expels carbon dioxide into the hydrosphere when glucose is converted into ATP.2. ( answer if you can )Explain how the total mass of carbon is affected as it is cycled through various Earth spheres. I NEED HELP PLEASE... HELPPPP MEEEEWrite a quadratic equation to represent each situation. Use your equation to answer each question. Be sure to define your variables and identify which is independent and which is dependent. Show all work. Round any decimals to the nearest hundredth.1. A rocket is launched from a height of 10 meters with an upward velocity of 56 meters per second.a. When will the rocket hit the ground?b. What is the maximum height of the rocket?c. After how many seconds does the rocket reach the maximum height?2. A wooden deck of uniform width surrounds a rectangular pool as shown in the following image. The pool is 10 feet by 14 feet. What is the area of the wooden deck that surrounds the pool (not including the pool)?a. If the deck is 3 feet wide, what is the area of the deck?b. The area of the deck is 112 square feet. How wide is the deck?3. A coffee shop sells 150 coffees a day at $3.50 apiece. They found for every $0.50 increase in price, they sell 10 fewer cups of coffee a day. The cups of coffee cost the shop $1.50 apiece.a. How much should they charge to maximize their daily profits?b. How many cups of coffee will they sell daily at that price?c. What will their daily profits be? A number is chosen at random from 1 to 50. Find the probability of see tiny multiples of 12 These are Questions/answers for #1, 2, 3, 17, 18, 19 & 20 if you can't see what it says in the picture (Please answer all questions in correct order)#1.Given w = 96i 180j, what are the magnitude and direction of 4w? Round the answers to the nearest whole number. 204; 62 816; 62 204; 242 816; 242# 2. A basketball player shoots a free throw, where the position of the ball is modeled by x = (24cos 48)t and y = 6.1 + (24sin 48)t 16t 2. What is the height of the ball, in feet, when it is 13 feet from the free throw line? Round to three decimal places.10.05310.29210.67311.025#3.Vectors u and v are shown on the graph.vectors u and v share an initial point and vector u points down 8 units and vector v points to the right 6 unitsWhich of the following vectors represents u + v? (Please put/show a graph if you can)17.What are the magnitude and direction of u + v + w? Round the magnitude to three decimal places and the direction to the nearest degree. 53.241; 355 52.822; 355 53.241; 5 52.822; 5 #18. Which point represents z1 + z2? P Q R SQuestion 19. A barge is being towed by two tugboats, using ropes with force vectors as shown.Two vectors named F sub 1 and F sub 2 that share an initial point from the barge each pointing to a different tugboatGiven vector F sub 1 equals open angled bracket 12000 comma 7000 close angled bracket and vector F sub 2 equals open angled bracket 14500 comma negative 5000 close angled bracket comma what is the angle between the ropes? Round to the nearest degree. 31 33 49 54Question 20.Given v = 8i 3j and w = 12i + 4j, find 7v 2w. 80i 29j 80i + 29j 80i 29j 80i + 29j What happens if a jury doesn't look at the defendant when they come back in the room from deliberating? In To kill a mockingbird At the molecular level, ______ is the process by which a gene's information is used to produce a polypeptide or functional RNA molecule. The radiusof a sphere is 6 units.Which expression represents the volume of the sphere,in cubic units?O 7(6)2 57(6)30 -(12)25a(12)3 Which sentence in the excerpt best supports the idea that a government has an obligation to provide certain things to its citizens? excerpt from message to the congress in special session, july 4, 1861 by abraham lincoln president lincoln gave this speech to congress to gain support and funding for the civil war after southern states had withdrawn from the union. this is essentially a people's contest. on the side of the union, it is a struggle for maintaining in the world, that form, and substance of government, whose leading object is, to elevate the condition of mento lift artificial weights from all shouldersto clear the paths of laudable pursuit for allto afford all, an unfettered start, and a fair chance, in the race of life. i am most happy to believe that the plain people understand and appreciate this. it is worthy of note, that while in this, the government's hour of trial, large numbers of those in the army and navy, who have been favored with the offices, have resigned, and proved false to the hand which had pampered them, not one common soldier, or common sailor is known to have deserted his flag. great honor is due to those officers who remain true, despite the example of their treacherous associates; but the greatest honor, and most important fact of all, is the unanimous firmness of the common soldiers, and common sailors. to the last man, so far as known, they have successfully resisted the traitorous efforts of those, whose commands, but an hour before, they obeyed as absolute law. this is the patriotic instinct of the plain people. they understand, without an argument, that destroying the government, which was made by washington, means no good to them. our popular government has often been called an experiment. two points in it, our people have already settledthe successful establishing, and the successful administering of it. one still remainsits successful maintenance against a formidable [internal] attempt to overthrow it. it is now for them to demonstrate to the world, that those how are families affected by HIV and aids A customer spent no more than $500 for a televisionand a mounting kit. The customer expected to pay aminimum of $300 for the television but actually paidat least $75 more than that. What is the maximumamount, in dollars, the customer could have spent forthe mounting kit after purchasing the television?(Disregard the $ sign when gridding your answer. Can I get some help with this? Which choice represents the expression below as a single exponentialexpression?4^5 42 A. 410 . 410O B. 410O c. 43O D. 47 A bicycle manufacturing company makes a particular type of bike. Each child bike requires 4 hours to build and 4 hours to test. Each adult bike requires 6 hours to build and 4 hours to test. With the number of workers, the company is able to have up to 120 hours of building time and 100 hours of testing time for a week. If c represents child bikes and a represents adult bikes, can the company build 5 child bikes and 15 adult bikes in a week. No, because the bike order does not meet the restrictions of 4c + 6a 120 and 4c + 4a 100 No, because the bike order does not meet the restrictions of 4c + 4a 120 and 6c + 4a 100 Yes, because the bike order meets the restrictions of 4c + 6a 120 and 4c + 4a 100 Yes, because the bike order meets the restrictions of 4c + 4a 120 and 6c + 4a 100 how can we reduce wildfires ( 10 sentences) Ethnocentrism causes which of the following communication barriers? a. ethnocentrism can cause people to share too much personal information. b. ethnocentrism causes people to develop negative attitudes about others. c. ethnocentrism can lead people to use the wrong language when communicating. d. all of the above are communication barriers caused by ethnocentrism. please select the best answer from the choices provided a b c d What advice was elie given to pass the selection process.