cobbiegirl44181 cobbiegirl44181

03-04-2018
Geography

contestada

How is your concept of earths first atmosphere related to the speed with which earth formed from the solar nebula?

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sharpguy sharpguy

13-04-2018

Earth’s first atmosphere was dominated by methane, ammonia, water vapor and noble gas neon but had limited oxygen. These gases combined with ancient sediments and rocks leading to changes in atmospheric composition due to chemical reactions with earth’s crust which speeded up formation of solar nebula.

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