Geography, 03.08.2019 17:00 deadlydazy13
Which gas was not a part of earth's atmosphere 3.6 billion years ago?
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Which environment would most likely not contain fossils? a a thick deposit of cracked, dried mud b sediment deposited in a sandy river bed c intrusive rock formed from cooled magma d layers of sand accumulated for a century
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Fossils of glossopteris, an extinct fern, were discovered on which continents to support the theory of continental drift? check all that apply.
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Which gas was not a part of earth's atmosphere 3.6 billion years ago?...
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