Cycles of Matter

Question 1

Which statements accurately describe the roles of decomposers in the carbon cycle? Select three options.Decomposers release carbon dioxide into the air as waste.Decomposers remove carbon dioxide from the air during photosynthesis.Decomposers break down the remains of dead plants and animals.Decomposers return carbon compounds to the soil.Decomposers use carbon to make food molecules.

Revolt · Accepted Answer

Decomposers release carbon dioxide into the air as waste.; Decomposers break down the remains of dead plants and animals.; Decomposers return carbon compounds to the soil.

Question 2

carbon✔ nitrogenwater

Revolt · Accepted Answer

nitrogen

Question 3

What is free nitrogen?

Revolt · Accepted Answer

nitrogen that cannot be used by organisms

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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