yousifkamil yousifkamil

20-03-2017
Chemistry

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what gases occur in the same percentages throughout the layers of the atmosphere?/A.Oxygen,Nitrogen/B.Nitrogen,Water Vapor C.Water Vapor, Oxygen D.All gases are present in equal amounts in Earth's atmosphere really need help.

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paola152899 paola152899

20-03-2017

A. Oxygen and nitrogen. ( Just think NO nitrogen oxygen )

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