9
QuizMultiple Choice

The Cycles of Matter

Question 9 • 26-27 - C - RUSD Environmental Science S1

Nitrogen fixation _______.

Answer
A
is the process where nitrogen is converted to a usable form
B
is accomplished by plants when they break down soil
C
occurs as a result of photosynthesis
D
none of the above

Explanation

Nitrogen fixation is the process of converting nitrogen gas from the atmosphere into forms that organisms can use, such as ammonia. Certain bacteria perform this process, sometimes in partnership with plants; plants do not fix nitrogen simply by breaking down soil, and photosynthesis is a separate process.

AI-written and checked against the verified answer.

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