How do plants obtain nitrogen?
a-they remove it from the air.
b-they absorb it through their roots.
c-they fix it in their leaves.
d-they produce it in their stems.

B. They absorb it through their roots

Explanation:

When nitrogen is released in the air plants cannot remove it through the air directly. They have to absorb it through another part of the plant. With that being said they have to absorb it through there roots.

1 digestive system

2 stomach

3 bladder

4 carbon deoxide

5 tiger

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