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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 Mesosphere The mesosphere extends from the upper boundary of the stratosphere up to 85 kilometers (280,000 feet) above the Earth. 2  Shooting stars (meteors usually burn up in the part of the atmosphere. 3  It is also the coldest place on Earth.