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Nitrogen Fixation can be done in how many ways?

52. Nitrogen Fixation can be done in how many ways?

1. 2 ways
2. More than 2 ways
3. There is only 1 way
4. None of the above

Answer: A) 2 ways

Explanation:

Nitrogen Fixation can be done in 2 ways: Non-biological nitrogen fixation and biological nitrogen fixation.