They're sensitive about the Oxygen Holocaust [1][2]? [1] https://en.wikipedia.or...

		JumpCrisscross 12 months ago \| parent \| context \| favorite \| on: Mitochondria Are Alive They're sensitive about the Oxygen Holocaust [1][2]? [1] https://en.wikipedia.org/wiki/Great_Oxidation_Event [2] https://en.wikipedia.org/wiki/Purple_Earth_hypothesis