Biology, 14.06.2021 18:50 shahidcade2721

Which is NOT true about nitrogen cycle? a. Organisms on Earth use nitrogen to build proteins necessary for cell
development.
b. The atmosphere is made of 78% elemental nitrogen that can be directly used by
organisms.
The nitrogen must be altered or fixed before it can be used by organisms.
d. The nitrogen is removed from air by the action of nitrogen-fixing bacteria which
lives in soil and roots of certain plants.

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Which is NOT true about nitrogen cycle? a. Organisms on Earth use nitrogen to build proteins necess...