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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.
  Troposphere and stratosphere are the minor layers of Earth's atmosphere. The troposphere is where weather occurs, and it is the closest to the Earth. The stratosphere is â¦ the second closest and where planes fly. It is 40 kilometers thick, and the troposphere is 12 kilometers thick.2 people found this useful. Troposphere and stratosphere are the minor layers of Earth's atmosphere. The troposphere is where weather occurs, and it is the closest to the Earth. The stratosphere is â¦ the second closest and where planes fly. It is 40 kilometers thick, and the troposphere is 12 kilometers thick. 2 people found this useful.