Cycles of Matter

Question 1

What is free nitrogen?

Revolt · Accepted Answer

nitrogen that cannot be used by organisms

Question 2

What did you include in your response? Check all that apply.

Revolt · Accepted Answer

When farmers harvest crops, a lot of the plant material is also removed. Little is left to decay and return nitrogen to the soil.; If the soil stays this way, it will start producing fewer crops.; Fertilizers contains the nitrogen compounds that are essential for plant growth. It can be used to replace the nitrogen in the soil to ensure the growth of healthy crops.

Question 3

carbon✔ nitrogenwater

Revolt · Accepted Answer

✔ nitrogen

Question 4

How do plants obtain nitrogen?

Revolt · Accepted Answer

They absorb it through their roots.

Question 5

Once water vapor has been released into the atmosphere, it rises and cools, turning back into a liquid. What is this process called?

Revolt · Accepted Answer

condensation

Question 6

What occurs at stage A?

Revolt · Accepted Answer

Water evaporates from surfaces.

Cycles of Matter Answers

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