Plants use the energy of sunlight toa. take water from the soil

b. carry out photosynthesis

c. exchange gases with the atmosphere

d carry out cellular respiration

Answers

Answer 1

Answer: B carry out photosynthesis

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Identify the type of mutation shown in the diagram, with respect to chromosome 20.
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In a 10 m2 ecosystem, there are 20 raccoons. The population density of raccoons is _____.

Answers

The answer is 2 raccoons per square meter.

The math is very clear. It can be solved using proportion.

If 20 raccoons live in 10 square meters, how many of them will live in 1 square meter:

20 raccoons : 10 m² = x raccoons : 1 m²

⇒ $(20)/(10) = (x)/(1)$

⇒ x = $(20)/(10)$

⇒ x = 2

So, a population density is 2 raccoons per square meter.

There is no difference between the question and hypothesis steps of scientific inquirytrue or false

Answers

It is technically false that there is no difference between the question and hypothesis steps of scientific inquiry, since a general hypothesis can't be determined without at least some priliminary research.

Answer is False.

Any investigation normally begin with an observation. Something that catches the attention. A logical problem-solving approach used by scientists is called the scientific method.

Asking question is the step of a scientific method after observation is made. Then comes hypothesis. A hypothesis is prospective answer to the question which is somehow going to be tested.

Why is there a vast amount of salt water on Earth?

Answers

salt is excellent solvent.

Which conditions relate to the research of van Helmont

Answers

The VanHelmont experiment consists of a measure of the amount of soil before and after a plant grows.

He wants to demonstrate the independence of soil.

After five years he measures the amount of soil and only 2oz gone from the initial amount of soil when the plant weight much more.

The conclusion was the plant use water to grow, and not the soil.

Afterward, he discovers CO2 but, not until the discovery of photosynthesis we all knew how everything in plants works.

Plant mass that is related to H20.

Which term refers to a change in one species that results from a change in another species that it interacts with?

Answers

The answer is coevolution.

Coevolution is a change in one species that results from a change in another species that it interacts with. For example, some species of orchid and African moth coevolved. That was a consequence of African moths' dependence on flower nectar and the orchids' dependence on moths' help in pollination. This two species coevolved, therefore the orchids have deep flowers while African moths have long proboscides.

Answer:

Interdependence

Coevolution

What is NH in a molecule?