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HELPPPPP!!!!
Which of the following is a correct statement about designing an experiment?
All experiments require expensive laboratory equipment.
Data from one trial is enough to draw a conclusion.
Experiments can be designed and performed by anyone with a curious mind.
Variables do not affect the outcome of an experiment
Answers
Answer:
experiments can be designed and performed by anyone with a curious mind
Explanation:
baking soda and vinegar explosions are an experiment that doesnt require expensive equipment
always do more then one trial, like shooting a basketball, if you shoot once and miss, can you say that you will never make it? or if you make it, can you say that you will never miss?
variables are what you are testing, you have to eliminate as many as possible so they dont effect your experiment
if you have any questions, leave them in the coments and i will try to answer them, if this helped, pls give brainliest.
Scraping the inside of her cheek with a toothpick, a student was able to collect and view several identical cells on a microscope slide. This suggests the inside of her cheek shows which level of organization?
Select one:
Tissue.
Organ.
Organism.
Organ system.
Answers
Answer:
tissue because its the smallest one and could probably be more accurate
Describe these astronomical bodies that exist in our universe:
o Galaxy:
o Solar system:
o Star:
o Sun:
o Planet:
o Moon:
o Comet:
Answers
Answer:
:
A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity
:The Solar System is the gravitationally bound system of the Sun and the objects that orbit it, either directly or indirectly.
:
A star is a luminous ball of gas, mostly hydrogen and helium, held together by its own gravity.
: The Sun is a sphere, composed almost entirely of the elements hydrogen and helium.
: A planet is a large celestial body that revolves around the sun in fixed orbits. Planets do not have any light of their own but reflect the light of the sun.
: The Moon is Earth's only natural satellite, a body that moves around a larger body in space.
: Comets are cosmic snowballs of frozen gases, rock and dust that orbit the Sun. When frozen, they are the size of a small town.
What forms from the union of the sperm cell and the egg cell?
A.zygote
B.haploid cell
C.gamete
Answers
Answer: A
Explanation:
describe the climate in coastal area near a warm ocean current
Answers
Answer:
The climate in coastal areas near a warm ocean current has higher temperatures as its moving away from the equator. The warm ocean currents cold water sinks which then allows light warm water to flow to the opposite direction usually away from the equator.
Explanation:
I would try putting in your own words and your own twist but hopefully this helps
The climate in coastal area near a warm current will warm and rainy. The coastal regions will be maintained in a moderate temperature by warm current
What is warm ocean current?
Warm currents are heat transferring wind flowing from ocean parallel to the tropical and sub-tropical regions. Warm ocean current results in summer rainfall in the surrounding areas.
North Atlantic drift and Canary currents are examples of warm ocean currents. They are responsible to bring a moderate temperature level in coastal areas.
Warm ocean currents may sometimes mix with cold currents creating foggy weather in the near areas. Thus cold and dry climate may result in that areas.
Therefore, in general, warm ocean currents make the surrounding coastal areas in a moderate temperature with summer rainfall.
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1 Identify Unscramble the letters below to find some landforms that result from the movement of tectonic plates and related forces.
FTIR ELALYV
NALIVCCO LIDNAS
UFATL-CLBOK OMTANNIU
COVNALCI UPAATEL
DOLEDF TNUMANIO
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The scramble letters of the landforms that result from the movement of tectonic plates and related forces are:
Fault-line valleyVolcanic islandFault-block mountainContinental plateFold mountainWhat is the movement of tectonic plates?The letters that is provided or spell out several landforms that result from the movement of tectonic plates and related forces are defined below:
"Fault" refers to a crack in the Earth's crust where two tectonic plates have shifted against each other. This movement can cause the land on either side of the fault to be raised or lowered."Valley" refers to a low-lying area of land between mountains or hills. Valleys can be formed by a variety of processes, including erosion caused by rivers or glaciers, or by tectonic activity that causes the land to sink."Volcano" refers to a geological feature that occurs when magma from the Earth's interior rises to the surface, forming a mountain-like structure that can erupt with ash, lava, and other materials. Volcanoes are usually found at the boundary between tectonic plates.Also, the "Fault-block" refers to a landform that is created when a block of land is raised or lowered along a fault line. The block that is lifted is called a horst, the block that sinks is called a graben
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Which of the following statements is TRUE?
OA.
Oogenesis is the production of ova
OB.
Oogenesis occurs once a month
O a.
Oogenesis is when a mature follicle bursts and releases a mature ovum.
OD.
All of the above
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The manager of a book store surveys people who buy mystery novels to see if the store should expand its hours. What is the population?
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Answer:
The population is people who buy mystery novels at that specific book store.
In the book store survey, the manager is trying to find the people who buys the mystery novels to see if the store should expand its hours. In this study, the population denotes the number of people who visits the book store. Thus, the correct option is C.
What is Population?
The population can be defined as the discrete assemblage of the entities with identifiable characteristics. A population can be the group of people, animals with the objective of analysis and data collection. A population consists of a similar group of species who lives in a particular geographical location with the capacity to interbreed.
In this situation, the population denotes the group of people who visits the book store on a daily basis and buys the mystery novels to read.
Therefore, the correct option is C.
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Your question is incomplete, most probably the complete question is:
The manager of a book store surveys people who buy mystery novels to see if the store should expand its hours. What is the population?
a. People who like to read
b. Resident of the town
c. People who visit the book store
d. People who buy mystery books
What are the three parts to a feedback loop?
Answers
PLEASE HELP QUCIK!!
What is the genotype for
Mendel's recessive allele true breeding short plants?
A. TT
B. Tt
C. tt
Answers
C. tt
Explained in the picture below of all the other choices and why tt is the short allele.
A herd of zebra currently has 45 members. Based on the available resources,
biologists estimate that the size of the herd will increase at a rate of 7% per
year.
Which of the following graphs models this relationship, if the x-axis
represents years and the y-axis represents number of zebra?
Answers
In this instance, the zebra population will grow by 7% year, which suggests that growth has been accelerating ever since the number was counted.
Where are zebras found in India?LUCKNOW: On Thursday, three zebras moved into the zoo's enclosure, which had been empty for the previous six years. The most widespread zebra species in the world is the Grant's zebra.
India bought the cheetah, right?A Boeing 747 will be used to transport the cheetahs. According to representatives from the ministry of environment, forest, and climate change, a total of Rs 96 crore has been set aside for the project (MoEFCC). Indian Oil has contributed an additional Rs 50 crore to the project.
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How do I write an email confessing love to a 6 year old?
Answers
Answer:
say "-anonymous if u ain interested or fbi"
Explanation:
According to Gordon all port which type of personality traits are the most dominant
Answers
According to Gordon Allport, the type of personality trait that is the most dominant is the central trait or the basic trait.
What is trait?This refers to a distinctive quality or character of a person. For example curiosity, fair, and dark. etc.
Gordon Allport is a psychologist and personality theorist. He divided personality traits into three categories: cardinal, central, and secondary. According to Allport, the most dominant type of personality trait is the central trait, also called as the "basic trait."
These traits are fundamental to a person's character and shape their overall personalities, such as honesty, kindness, and intelligence. Cardinal traits, on the other hand, are rare and extremely influential traits that shape a person's entire life and behavior, such as religious devotion or political ideology. Secondary traits are less important and more specific, such as being punctual or having a sense of humor.
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Which of the following describes the Koppen-Geiger climate Cfa?
Answers
humid subtropical
odyssey-ware. plant systems. i hate this class. good luck
The incidence of cystic fibrosis, a recessive genetic disorder in the Caucasian population of United States, is 1 in every 2,500 individuals. Find the number of heterozygous carriers.
(p + q = 1, p2 + 2pq + q2 = 1)
A.
0.0392
B.
0.0254
C.
0.045
Answers
The number of heterozygous carriers for a recessive genetic disorder in the Caucasian population of United States is 0.0392, option A.
How to find heterozygous carriers?In genetics, heterozygous means having inherited different versions (alleles) of a genomic marker from each biological parent. As a result, a person who is heterozygous for a genomic marker has two distinct versions of that marker.
Using the formula p + q = 1, p2 + 2pq + q2 = 1,
The allele frequency, p² = 1/2500 = 0.0004
√p² = √0.0004
p = 0.02
substituting p in the formula p + q = 1,
0.02 + q = 1,
q = 1 - 0.02 = 0.98
Frequency of heterozygous individuals = 2pq
2(0.02 x 0.98) = 0.0392
With the application of Weinberg theorem, p2 + 2pq + q2 = 1, the frequency allele of heterozygous carriers is 0.0392.
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Identify a dependent variable measured in the researcher’s experiment. Identify one control that the researcher could use to improve the validity of the experiment. Justify the researcher analyzing blood samples at many intermediate time points instead of at only the beginning and the end of the 20-week period.
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Answer:
The dependent variable measured in the researcher’s experiment is the concentration of the drug in the blood samples. One control that the researcher could use to improve the validity of the experiment is to ensure that the same amount of the drug is administered to each participant.
Analyzing blood samples at many intermediate time points instead of at only the beginning and the end of the 20-week period allows the researcher to track changes in the concentration of the drug over time. This gives a more accurate picture of how the drug is metabolized by the body and how it affects the participants.
Explanation:
ASAP HELP!!!!!!! LIMITED TIME!!!!!!! PLEASE
Hydrogen fuel cells, biodiesel, and long-term electric batteries are potential solutions to
Select one:
1. carbon sequestration
2. replacing coal as a major fuel for generating electricity
3. cap-and-trade emission control
4. reducing carbon emissions from cars and trucks
Answers
Answer:
reducing carbon emissions from cars and trucks
What are the advantages of external fertilization? Select all that apply.
higher survival rates
produces many offspring
increased genetic variation
environment dictates success of fertilization
Answers
Answer: increased genetic variation
Explanation:
Explain the application of biology especially the role of microbiology and biotechnology for the growing public and global health need
A,in the development of effective diagnostics ,prevention and treatment measures including production of novel drugs and recombinant vaccine
B, in the production of nutritionally enriched genetically modified crops and animals to alloviate food insecurity which is a common dilemma particularly in underdeveloped countries
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Biology, and specifically microbiology and biotechnology, play a crucial role in the growing public and global health need for effective diagnostics, prevention, and treatment measures, as well as in the production of nutritionally enriched genetically modified crops and animals to alleviate food insecurity.
What is biotechnology use?A) In the development of effective diagnostics, prevention, and treatment measures:
Microbiology is the study of microorganisms, including bacteria, viruses, fungi, and parasites, and it is an important field in the development of new diagnostic tests, vaccines, and therapies for infectious diseases. For example, microbiologists can use techniques such as bacterial culture and DNA sequencing to identify and characterize pathogenic microorganisms, which can help to identify outbreaks of infectious diseases and guide treatment decisions.
Biotechnology is the application of biological processes, such as fermentation and genetic engineering, to the production of products and technologies. It has played a significant role in the development of novel drugs and recombinant vaccines. For example, recombinant vaccines are produced using genetic engineering techniques to introduce a gene from a pathogen into a host organism, such as yeast or bacteria. The host organism produces the protein encoded by the pathogen's gene, and this protein can be used to create a vaccine. Recombinant vaccines have been developed for a number of infectious diseases, including hepatitis B, human papillomavirus (HPV), and influenza.
B) In the production of nutritionally enriched genetically modified crops and animals:
Biotechnology is also being used to produce nutritionally enriched genetically modified crops and animals to alleviate food insecurity, particularly in underdeveloped countries. For example, genetically modified crops can be engineered to contain higher levels of essential nutrients, such as vitamins and minerals, to help address malnutrition. Genetically modified animals can also be produced to produce nutritionally enriched food products, such as milk or eggs, or to be more resistant to diseases, which can help to improve the efficiency and sustainability of livestock production.
In all, the fields of microbiology and biotechnology have made significant contributions to the development of effective diagnostics, prevention, and treatment measures, as well as to the production of
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ASAP HELP!!!!! LIMITED TIME!!!!!!!!
What is one way that greenhouse gases are released into the
atmosphere?
Select one:
O Introducing non-native species into an environment
O Oil spills
O Littering
O Burning fossil fuels
Answers
Answer:
O Burning fossil fuels
Explanation:
Fossil fuel burning releases tons of CO2 which is a green house gas
4. Carla placed three identical plants on a
sunny windowsill. Using the same amount
of water each time, she watered one plant
twice a day. She watered the second plant
once a week. She did not water the third
plant. After three weeks, she found that the
plant watered once a week was thriving.
The plant that was watered twice a day
was dying. The plant that was not watered
was brown and dead. What conclusion can
Carla draw?
A. Water causes plants to die
B. Plants need a certain amount of water to live
C. Plants should not be placed on sunny windowsills
D. Plants do not live very long
Answers
The conclusion is that plants need a certain amount of water to live. Therefore, option B is correct.
What is the effect of water on the life of a plant?Water is a very important factor that affects the life of a plant. Water is required by plants to perform photosynthesis, through which they make food. If a certain amount of water does not available for plants then they will dry due to lack of food.
It is also required for the cooling and transportation of minerals and nutrients in the plant.
Plants need a certain amount of water to live. Therefore, option B is correct.
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Compare and contrast the skin and GI tract microbiome?
Answers
How fast does evolution occur?
Question 1 options:
From one generation to the next
After multiple generations
Immediately
Answers
Answer:
It takes a million generations or more to evolve lasting changes, a study found
Explanation:
the answer would probably be a after multiple generations
Plz help me well mark brainliest if correct!!..
Answers
Which of the following characteristics are associated with transformed cells? Check All That Apply decreased growth ratedecreased growth rate altered chromosomesaltered chromosomes changes in cell surface moleculeschanges in cell surface molecules diminished capacity of cells to dividediminished capacity of cells to divide integration of viral DNA into host chromosomeintegration of viral DNA into host chromosome
Answers
Answer:
b. Altered chromosomes.
c. Changes in cell surface molecules.
e. Integration of viral deoxyribonucleic acid (DNA) into host chromosome.
Explanation:
A cell can be defined as the fundamental or basic functional, structural and smallest unit of life for all living organisms. Some living organisms are unicellular while others are multicellular in nature.
A unicellular organism refers to a living organism that possess a single-cell while a multicellular organism has many (multiple) cells.
Generally, cells have the ability to independently replicate themselves.
In a cell, the "workers" that perform various functions or tasks for the survival of the living organism are referred to as organelles. Some examples of cell organelles found in all living organisms such as trees, birds, and bacteria include; nucleus, cytoplasm, cell membrane, golgi apparatus, mitochondria, lysosomes, ribosomes, chromosomes, endoplasmic reticulum, vesicles, etc.
Transformed cells refer to cells that have undergone genetic alterations and as such do not experience normal cell processes or characteristics such as differentiation, division, and growth.
The characteristics which are typically associated with transformed cells include the following;
I. Altered chromosomes. Chromosomes are found in the cell nucleus and are comprised of deoxyribonucleic acid (DNA), histone proteins, etc. Thus, they are used to store genetic informations in living organisms.
II. Changes in cell surface molecules.
III. Integration of viral deoxyribonucleic acid (DNA) into host chromosome.
1. A structure that forms in plant cells that forms during telophase/cytokinesis
2. Come from centrioles and are used to move chromosomes in animals cells
A. Cell plate
B. Centrioles
C. Spindle fibers
Answers
Comment on the difficulty of describing a virus as a living organism.
Answers
Answer: You can't describe a virus as a living organism...it's not living!
A virus needs a host to survive and replicate itself to create a illness. It invades a cell by attaching itself onto it and injects its DNA into the cell. Afterwards, the cell bursts and creates the new virus replica. Every cell that is affected by a virus always dies.
A hypothesis that is scientific must have a test for proving it
Answers
Answer:
True
Explanation:
If it is a scientific hypothesis, then it has to be tested.
Which materials are exchanged between the ocean and the atmosphere? Select all that apply.
fish
plankton
energy
heat
water
Answers
Answer:
Water and energy
Explanation:
Water and carbon dioxide are exchanged between the ocean and the atmosphere. Carbon dioxide is taken out of the atmosphere by photosynthesis into plants to produce ENERGY.
True or False: Cells grow larger and that is why organisms grow larger.
Answers
Answer:
When organisms grow, it isn't because cells are getting larger. Organisms grow because cells are dividing to produce more cells.
Explanation: