The amount of oxygen increased greatly
The amount of oxygen increased greatly.
the amount of oxygen increased greatly
It changed from a reducing atmosphere containing no free oxygen to an atmosphere containing oxygen. The evolution of life on Earth "terraformed" the planet.
i need help.
Earths atmosphere has changed in a few ways. It contains more pollutants and carbon dioxide which is a greenhouse gas.
it will rise
The appearance of photosynthetic organisms
precambrian era
It changed from a reducing atmosphere containing no free oxygen to an atmosphere containing oxygen. The evolution of life on Earth "terraformed" the planet.
The origin of free oxygen
oxygen
i need help.
cuz they can
it will always change
4 billon years i think
Earths atmosphere has changed in a few ways. It contains more pollutants and carbon dioxide which is a greenhouse gas.
it will rise
The earths atmophere came from your mom!
The appearance of photosynthetic organisms