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A. Troposphere B. Stratosphere C. Mesosphere D. Thermosphere. A: Troposphere is the atmospheric layer closest to the Earth's surface. Log in to see link for more information. Question|Asked by janiya. Asked 314 days ago|6/9/2016 2:02:09 PM. Updated 314 days ago|6/10/2016 2:53:26 AM.
1 Thermosphere-The thermosphere is next and the air is very thin here. 2  Temperatures can get extremely hot in the thermosphere. 3  Mesosphere-The mesosphere covers the next 50 miles beyond the stratosphere. 4  This is where most meteors burn up upon entry. 5  The coldest place on Earth is at the top of the mesosphere.