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Title: Billions of years ago, the Earth's atmosphere was composed primarily of carbon dioxide. Where might ... Post by: doit_the_clown on Mar 17, 2017 Billions of years ago, the Earth's atmosphere was composed primarily of carbon dioxide. Where might you go on the Earth to find a large fraction of this carbon dioxide today?
A) Nowhere—most of the carbon dioxide has escaped into space B) Anywhere—most of the carbon dioxide is still in the atmosphere, but nitrogen and oxygen have since been added to it C) To extinct volcanoes, which are composed of rock from the Earth's interior that absorbed the carbon dioxide earlier in the Earth's history D) To mountain ranges such as the Rocky Mountains of North America, which are composed largely of limestone Title: Re: Billions of years ago, the Earth's atmosphere was composed primarily of carbon dioxide. Where ... Post by: hyponotica on Mar 17, 2017 Content hidden
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