r/confidentlyincorrect 2d ago

Understanding photosynthesis, trees, and conservation of mass.

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u/zeroaegis 2d ago

How does one person believe both halves of this statement at the same time. How does that even work?

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u/Seldarin 2d ago

I mean, what he says is almost true for nitrogen, but I'm not willing to give him credit for knowing that since he most likely doesn't, and it certainly isn't something you'd learn in the 2nd grade.

Nitrogen is 78% of the atmosphere, and they absorb it through their roots because the stuff floating around in the air is too much of a pain in the ass to absorb. Nitrogen fixing bacteria pull it from the air and dump it in the soil, where the trees absorb it.

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u/Tripleberst 2d ago

Both statements are actually mostly true. They don't technically consume carbon dioxide, so "fully extracting carbon dioxide" is also not technically what they do. The part that people care about is that they consume the carbon in carbon dioxide and release oxygen from the CO2 bond.

It's a slightly semantic way to describe it but it's not really wrong.