minus-squarejoelfromaus@aussie.zonetoCool Guides@lemmy.ca•A time traveler's survival guide. The vertical green bars are the only times in Earth's history with enough oxygen to breathe (hypoxia) and low enough to avoid oxygen toxicity (hyperoxia).linkfedilinkEnglisharrow-up5·13 days agoNo, no. I’ve seen the chart. They’re definitely dead by now. linkfedilink
No, no. I’ve seen the chart. They’re definitely dead by now.