Question

Why are bacteria required in the nitrogen cycle?

A. Nitrogen needs to be fixed before it is used by plants.
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B. The xylem in plants cannot function without bacteria.
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C. Plant DNA can only be transmitted by bacteria.
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D. Plants need to pull nitrogen directly from the air.

Answer 1

Helloooo!! Marie Here!!!

The answer to this is:

A. Nitrogen needs to be fixed before it is used by plants.

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