/u/rotgutbill's posts

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If air is mostly nitrogen and dirt is mostly carbon, why do plants get all their nitrogen from the soil and all their carbon from the air?

2264 upvotes • r/askscience

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
If air is mostly nitrogen and dirt is mostly carbon, why do plants get all their nitrogen from the soil and all their carbon from the air?	2264	askscience