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1 year agoI don’t know about that post specifically but Lemmy keeps a modlog for mod/admin actions if you want to look. If it was removed it should be there with the reason. It’s linked in the community sidebar. Or here for this community: https://lemmy.world/modlog/2840
Plants do indeed use O2. They use if for the same reason we do, the have mitochondria that use O2 during respiration.
During the day plants typically produce more O2 than they consume, but at night they need it from elsewhere.