Eli5 why plants which need nitrogen from the ground do not take it from the air which is 70% Nitrogen
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The nitrogen in the air is N2, two nitrogen atoms attached with an extremely strong bond. Plants need single nitrogen atoms to build stuff.
It’s like if you were surrounded by pairs of LEGO bricks superglued together, and to survive you needed to build structures requiring single bricks. Even if they’re pairs of bricks of the type you need, you’re gonna have to get them elsewhere.
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