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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.
The amount of oxygen increased greatly
Earths atmosphere has changed in a few ways. It contains more pollutants and carbon dioxide which is a greenhouse gas.
photosynthesis
It changed from a reducing atmosphere containing no free oxygen to an atmosphere containing oxygen. The evolution of life on Earth "terraformed" the planet.
precambrian era
oxygen
i need help.
The amount of oxygen increased greatly
The origin of free oxygen
photosynthesis
Earths atmosphere has changed in a few ways. It contains more pollutants and carbon dioxide which is a greenhouse gas.
photosynthesis
4 billon years i think
hey these are the three dranatic events that changed earths atmosphere they r earthquake, tordando ,volcano reaction
The atmosphere has changed because of population increases and lots of factories that produce the gas. Olivia Perli