Fyrefawx t1_j1av893 wrote
Reply to comment by SvenTropics in Mars' ancient atmosphere may not have had much oxygen after all by pecika
I’ll never get over the fact that oxygen caused an extinction at one point and now nearly everything requires it to survive.
It’s so wild how life was able to change the the planet itself long before humanity arrived.
[deleted] t1_j1co4k8 wrote
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SvenTropics t1_j1d0el0 wrote
I mean if life somehow evolved to survive in sulfuric acid, it would grow to require it.
On one hand, oxidation is deadly to organisms. On the other hand, the reactiveness of it is a great resource for generating energy.
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