Water temperature for handwashing should be at least 100˚F (38˚C) , option "A" Helps it removes oils from the hand that can hold bacteria
Lather your hands by patting them together with the soap. Lather the backs of your hands, between your fingers, and under your nails. Scrub your hands for minimum 20 seconds.
Thus, option "A" is correct, Water temperature for handwashing should be at least 100˚F (38˚C).
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Scientists classifying modern animals are most likely to compare the -
f sequence of the animals' DNA
g composition of the animals' bones
h A structure of the animals' ATP
j function of the animals' limbs
Answer:
F. The sequence of an animals' DNA is how scientist classify modern animals
Answer:
F. The sequence of an animals' DNA is how scientist classify modern animals
Explanation:
the process of diffusion does not require any energy why?
Answer:
Diffusion expends no energy. Rather the different concentrations of materials in different areas are a form of potential energy, and diffusion is the dissipation of that potential energy as materials move down their concentration gradients, from high to low.
Explanation:
Which of the following is an energy conservation practice?
O Lower the thermostat's temperature in the summer.
O Run the washing machine with smaller loads.
O Use a fuel-efficient vehicle when traveling.
ORaise the temperature on a water heater.
The practice that is an example of energy conservation is using a fuel-efficient vehicle when traveling.
What is energy conservation?This refers to the action of reducing the energy that is consumed, which is positive for the environment.
Which option is an example of this concept?Using a fuel-efficient vehicle is an example of energy conservation because this type of vehicle consumes less energy or uses it more efficiently.
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Which of the following correctly pairs biotic factors with an effect on the biosphere?
-Biotic factors would increase the average temperature.
-Biotic factors would increase the number and variety of predators.
-Biotic factors would decrease the oxygen in the soil.
-Biotic factors would decrease the amount of water.
The statement that correctly pairs biotic factors with an effect on the biosphere is that biotic factors would decrease the oxygen in the soil.
What are biotic factors?Biotic factors of an ecosystem refers to the living components of that ecosystem. Biotic factors include the following:
PlantsMicrobesAnimalsBiotic factors make use of oxygen in the atmosphere to perform the process of respiration, hence, their presence will cause a decrease in the oxygen content.
Therefore, the statement that correctly pairs biotic factors with an effect on the biosphere is that biotic factors would decrease the oxygen in the soil.
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Which structure in the leaf controls the opening and closing of the stoma?
A. Cuticle
B. Epidermis
C.guard cell
D. Spongy mesophyll
Answer:
C.guard cell
Explanation:
What best describes a fossil record?
A. When insects are trapped in 'amber'.
B. The note book an archaeologist may keep.
C. Preserved remains or impressions of plant, animal or other organisms.
D. Preserved remains of bones only.
Answer:
C. Preserved remains or impressions of plant, animal or other organisms.
Explanation:
A fossil record is a collection of fossils documenting the history of life on Earth. These fossils can teach us about an extinct organism's size, shape, and/or behavior. The fossil record helps paleontologists, archaeologists, and geologists place important events and species in the appropriate geologic era. A fossil record is not limited to insects trapped in amber or bones, and is not simply an archaeologist's notes.
hope this helps!
What discovery was made by Alvin?
a.
over 4000 new species of marine life
b.
hydrothermal vents
c.
the Aqualung
d.
the temperature of different parts of the ocean
Please select the best answer from the choices provided
A
B
C
D
Answer:
the answer is B
Explanation:.
Definition of kingdom
Answer:
a country, state, or territory ruled by a king or queen.
The passage explains why some endangered animals, including gray wolves and bald eagles may...
A.be getting killed at increasing rates
B. be making a comeback
C be hard to find
D be living in zoos
What is the name given to the
ability of water molecules to
attract each other, bond, and
form a layer?
A. high heat capacity
B. evaporation
C. capillary action
D. surface tension
Answer:
d. surface tension
Explanation:
i just got it right on acellus :)
Controlled burning is the intentional introduction of light fires into forest regions. What is the main benefit of controlled burning for human populations?
Answer: Pests and disease
Explanation:
Prescribed fire can directly reduce damaging insect and disease organisms that impact many ecosystems. Burning can also increases the resilience of forests to insect pests and diseases by reducing competing vegetation and enhancing the growth and defense of mature trees.
Hope this helps!
What is the approximate pH at which amylases act throughout the digestive tract?
Answer:
6.7 to 7.0
Explanation:
In the digestive systems of humans and many other mammals, an alpha-amylase called ptyalin is produced by the salivary glands, whereas pancreatic amylase is secreted by the pancreas into the small intestine. The optimum pH of alpha-amylase is 6.7–7.0.
what does the process of photosynthesis produce?
Answer:
C: oxygen and glucose
During the process of photosynthesis, carbon dioxide and water are converted to oxygen and glucose.
Answer:
B ( Carbon Dioxide and Oxygen i think
During the process of photosynthesis, cells use carbon dioxide and energy from the Sun to make sugar molecules and oxygen.
Explanation:
In what form is radiation emitted from the Earth's surface back into the atmosphere? Via Brainpop
Answer:
infrared radiation
Explanation:
trust me
Answer:
heat / infrared radiation
Explanation:
the earth's surface traps a lot of sunlight that travels into the atmosphere. that energy is then sent back out in the form of heat.
Activity 1: What are your true colors?
Use the given fictional genes of different colors to predict the phenotype ratio
and genotype ratio. Color each tile in the Punnett square corresponding to its
phenotype. An example is already given as your guide.
Answer:
PART B: My Own Masterpiece!
Activity 1: What are your true colors?
Use the given fictional genes of different colors to predict the phenotype ratio
and genotype ratio. Color each tile in the Punnett square corresponding to its
phenotype. An example is already given as your guide.
G
G GG
g Gg
Pointing System:
g
G Gray (Dominant) Genotype Ratio 1:2:1
Gg
g - White (Recessive) Phenotype Ratio 3:1
gg
1 point for each tile of correct genotype of offspring (max
4 pts) 1 point for each tile of correct phenotype of
offspring (max 4 pts) 1 point for correct genotypic ratio
1 point for correct
phenotypic ratio Total: 10
points for each combination
Combination No. 1
g
g
G - Gray
(Dominant) Genotype Ratio
G
g
- White
(Recessive) Phenotype Ratio
g
Combination No. 2
G
(Dominant) Genotype Ratio
G - Gray
g
g
White
(Recessive) Phenotype Ratio
G
G
forvo
Apply
What is Punnett square?
A Punnett square is a graphical representation of the possible genotypes of an offspring arising from a particular cross or breeding event. Creating a Punnett square requires knowledge of the genetic composition of the parents.This tool was created in the twentieth century, much after Mendel’s seminal experiments on genetics. However, they are now commonly used to explain the results that Mendel obtained, especially when combined with our current knowledge of DNA, genes and chromosomes.learn more about punnett square below,
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Which of the following is a benefit of nonrenewable energy?
A.It costs less than some renewable options.
B.It uses man-made and natural resources.
C.It is unlimited or quickly replenished.
D.It is from clean energy sources.
Answer:
B. It uses man-made and natural resources.
Explanation:
Sorry if incorrect
Non-renewable energy uses man-made and natural resources. So, the correct option is B.
What are Non-renewable energy?Natural resources that cannot be easily replenished through natural means at a rate quick enough to stay current with use are considered non-renewable resources. Fossil fuels made of carbon are one instance. With the use of pressure and heat, the original biological matter transforms into a fuel like petrol or oil.
Non-renewable energy is produced using finite resources that cannot be replenished at a rate that matches the rate of use. To put things in perspective, there won't be any more non-renewable energy sources in our lives—or, more precisely, in many human lifetimes.
The majority of non-renewable sources of energy are fossil fuels, such as coal, natural gas, and petroleum and crude oil; however, nuclear fuel, which is primarily used to generate electricity, is also typically categorized as non-renewable.
Therefore, the correct option is B.
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Temperature is constant in the bathypelagic zone.
A. True
B. False
HELP ME OUT PLS!!!!!!!!!!!!!
Alfred Wegener first suggested the idea of Continental Drift, that all the continents were one joined together into one big land mass called Pangea. One piece of evidence for his idea was that the continents look like they once fit together like a puzzle. Explain one other piece of evidence that supported this idea.
Another piece of evidence to support Continental Drift theory is
A tumor or condition that tends to spread abnormal
cells throughout the body is called:
A. Benign
B. Inconsequential
C. Malignant
D. Acute
Which of the following foods provides amino acids that are most easily digested and absorbed by the body?
A. Grains
B. Legumes
C. Poultry
D. Vegetables
E. Fruits
Which of the following influences how an animal interacts and functions in its environment?
Group of answer choices
Embryonic development
Genetic diversity
Body symmetry
Autotrophy
Answer: The tendency of one animal in a group to exert its social influence or presence over others in the group. Also referred to as social order or pecking order.
Explanation:
The following that most influences how an animal interacts and functions in its environment is its Genetic diversity. Option B. This is further explained below.
What is Genetic diversity?Genetic diversity is simply defined as the total amount of genetic features in a species' genetic composition is referred to as genetic diversity.
In conclusion, Genetic diversity is simply the factor that most determines how an animal interacts and performs in its surroundings.
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biology help pls.....
Answer:
the answer to the question is c.
If after thousands of generations, genetic mutations lead to a new separate species, we refer to this change as
O variation
Ospeciation
O adaptation
O natural selection
Answer:
speciation is the answer beacuse Genetic mutation is the basis of species diversity among beetles, or any other organism. Mutations are changes in the genetic sequence, and they are a main cause of diversity among organisms. These changes occur at many different levels, and they can have widely differing consequences.
Why would rapid change in climate potentially lead to ecological problems?
Most biome shifts lead to rain forest formation and shading out of native plants. Evolution is unlikely to occur quickly enough to keep pace with biome changes. Animals don't migrate fast enough.
All of the answer choices are correct.
Water availability will decrease, driving aquatic species extinct.
The rapid change in the climate would potentially lead to ecological problems because evolution is unlikely to occur quickly enough to keep pace with biome changes.
What do you mean by Evolution?Evolution may be defined as the process of growth and development or the theory that organisms have evolved and developed from past organisms.
Biome changes occur due to the fact of evolution. Both evolution and biome changes synergistically move forward to support organisms' life in a much better way.
Therefore, the rapid change in the climate would potentially lead to ecological problems because evolution is unlikely to occur quickly enough to keep pace with biome changes.
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Describe the relationship between DNA,
chromosomes, and genes.
If a mother blooodds
Choose the description that best describes a virus
Answer:
A virus is an organism that can only live through its hosts.
What are three body systems of a chick that help it maintain homeostasis? And how does it compare to a human's body systems?
Answer: When they become too low, the body converts the glycogen in the blood to glucose. Toxins. Toxins in the blood can disrupt the body's homeostasis.
The example of ergot poisoning is included in the text for all the following reasons EXCEPT
ОА.
to show that pests Impact history.
ОВ.
to demonstrate how disease emerges when conditions are right.
O C.
to prove that the witchcraft trials were unfair and all involved were innocent.
OD
to illustrate the ways in which pests in agriculture can imnart human nonulation
to prove that the witchcraft trials were unfair and all involved were innocent.
Yw :)
Which of the following are examples of a non-renewable resource? Check ALL that apply.
coal
sunlight
natural gas
wind
nuclear power
biomass
petroleum
plants (trees, cotton, corn)