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Atmosphere, land, ice, oceans, and life.
It changed from a reducing atmosphere containing no free oxygen to an atmosphere containing oxygen. The evolution of life on Earth "terraformed" the planet.
If there were no greenhouse gases the earth could not support life. Greenhouse gases are naturally occurring and allow heat to be retained within the atmosphere.
You have it wrong way round, the atmosphere of Earth was created by the life on Earth. 4000 million years ago the atmosphere had no oxygen and was full of CO2, Nitrogen and Methane. However life came into existence in this atmosphere and over time has altered the atmosphere to what we have today. Therefore the composition of the atmosphere would not appear to be critical to life.
some factors that allow life to existon earth is that earths atmosphere is just right.
The significance of Earth's atmosphere is the sustainment of land based life.
The biosphere
I don't even know lol
Atmosphere, land, ice, oceans, and life.
It changed who owned the land.
No, not as it is. The moon is too small to hold an atmosphere, which is required to provide protection to life as well as to allow living things to breath.
The earths atmosphere has significantly altered over the years. The process of the earth's atmosphere was recognized and evolved 2.7 billion years ago, forming the nitrogen-oxygen atmosphere that exists today. This change enabled the formation and beginning of the ozone layer (which along with magnetic fields) block solar radiation.
more oxygen was consumed
Atmosphere, Land, ice, the oceans, and life!
Atmosphere, Land, ice, the oceans, and life!
Atmosphere, Land, ice, the oceans, and life!