The percent of oxygen is 27. this increases the natural percent of 21 by 6 percent causing living organisms to have too much oxygen.
The atmosphere would be much more volatile.
somr people may say not much but that's a lie hospital use pure oxygen for life support you can breathe in pure oxygen for 12 years strait and not die
45 percent of the earths oxygen is produced by our oceans
With life support, perhaps. Mars is much colder than Earth, has much less atmospheric pressure, and very little oxygen.
35 percent
20.8 percent
0.01 percent of the worlds oxygen is from the amazon
20.946% by volum.
Twenty percent (20%) of the moon's atmospheric gases is made up of oxygen.
Typically, the air you breathe is comprised of 18 to 21 percent Oxygen.
Venus can not hold life because it doesn't have a hospitable environment like the Earth. The planet is too hot to maintain life and there is too much carbon dioxide and not enough oxygen either.
A small percent . exhaled air always contains oxygen .