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The appearance of photosynthetic organisms
The atmosphere gos through many cycles and changes. The significant gases in our atmosphere have not changed substantially in the past several centuries. The primary gas is still Nitrogen, then Oxygen.
I think that it's geochemistry, but I could be wrong.
greenhouse gasesgreenhouse effect
Many scientists believe that the greenhouses gases have contributed to the climate change due to increased concentrations of the gases in the atmosphere courtesy of human activities such as deforestation, and through fossil fuels.
>>>>>...YOU CAN't breath
The appearance of photosynthetic organisms
The atmosphere gos through many cycles and changes. The significant gases in our atmosphere have not changed substantially in the past several centuries. The primary gas is still Nitrogen, then Oxygen.
Toricelli was not known for contributions about composition of matter.
I think that it's geochemistry, but I could be wrong.
Burning fossil fuel releases carbon dioxide, a greenhouse gas which is building up in the atmosphere.
The pressure and the temperature would go on increasing .
your question is... How did the Earth`s atmosphere change composotion to became today`s nitrogen and oxygen atmosphere? Answer: it happend with the help of solar untraviolet (uv) radiation,the very thing what we worry about now for its cancer-causing ability
observations change
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