Nitrogen fixation is necessary because:-
1)plants and animals are not able to take atmospheric nitrogen directly
2) plants and animals are able to take atmospheric nitrogen directly
3) it forms nitric acid
4) it forms nitrous oxide
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Nitrogen fixation is necessary because:-
1)plants and animals are not able to take atmospheric nitrogen directly
2) plants and animals are able to take atmospheric nitrogen directly
3) it forms nitric acid
4) it forms nitrous oxide
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Answer:
Option 1. Plants and animals aren't able to take up atm. nitrogen.
Explanation:
Just like their are some nutrients that we can not absorb in their original/free form, plants can also not take in some nutrients in their natural state, for ex. Nitrogen. They can only absorb its fixed form, i.e, nitrates or nitrites.
answer 1
Explanation:
because it is the principal source of the nitrogen in the soil nitrogen
that plants need to grow nitrogen fixation is the most important biochemical process on earth nitrogen fixation is refers to the conversion of atmospheric nitrogen gas in the form of usable by plants and other organisms