Certain bacteria are present in the soil. They help grab nitrogen from the environment and convert it into products that plants can use to generate food.


These bacteria are a(n) _______ part of the environment.


A.
abiotic

B.
biotic

C.
toxic

D.
external

PLEASE HELP

I am doing a study island

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Nidup

nitrogen fixation (this could be the answer)

......the name of the bacteria is Risobbium bacteria... this bacteria is a part of a nitrogen fixation. .

-but maybe this is the not answer..

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