this post was submitted on 09 Jan 2025
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xkcd

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You don't want the nitrogen percentage to be too high or you run the risk of eutrophication.

https://explainxkcd.com/3035/

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[โ€“] mossy_@lemmy.world 5 points 1 month ago (1 children)

The explainer author put in some serious work for today's. I would've had no idea what this one was about

[โ€“] Welt@lazysoci.al 2 points 1 month ago

Helium is lighter than air. Nitrogen dissolved in water leads to eutrophication, where the watercourse encourages bacterial and algal growth. Also too much nitrogen will kill you, so the diver will be the nutrient source, is I think what's implied.