Legumes (e.g., pea plants) are able to increase the level of...

Question

Legumes (e.g., pea plants) are able to increase the level of soil nitrogen where they are planted. Which of the following is a benefit this provides?

A

An increase in soil nitrogen means this soil can be used as fertilizer elsewhere.

B

An increase in soil nitrogen means less nitrogen-fixing bacteria will be present in the soil.

C

There is more nitrogen available in the soil for other crops that are planted there.

D

There is less nitrogen in the soil after they are removed, so there is less to be converted into nitrogen gas.

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