minus-squarearamis87@fedia.iotoScience Memes@mander.xyz•Kidslinkfedilinkarrow-up1·7 months agoA 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): https://fedia.io/media/cache/resolve/entry_thumb/fa/a9/faa97017c09ebf7d9543fece447951844e5cfbdaa9f491c95763102e987ffc59.jpg linkfedilink
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):
https://fedia.io/media/cache/resolve/entry_thumb/fa/a9/faa97017c09ebf7d9543fece447951844e5cfbdaa9f491c95763102e987ffc59.jpg