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_ihaque
on Jan 22, 2024
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Helium is essential but nonrenewable and difficult...
Neon is produced from (cryogenic) separation of air, so, yes?
credit_guy
on Jan 22, 2024
[–]
Well, fun fact: there is more helium in atmosphere (5.2 ppm) than methane (1.8 ppm). And it's not much less than neon (18 ppm).
[1]
https://climate.nasa.gov/news/2915/the-atmosphere-getting-a-...
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