alleryWhich layer sits closest to the ground in Earth's atmosphere?
AStratosphere
BThermosphere
CMesosphere
DTroposphere
Answer & Solution
Correct answer: D. Troposphere
1. The five layers are named from the ground upward.
2. The troposphere starts at the surface and is the lowest.
3. The stratosphere lies above it, and the mesosphere and thermosphere are higher still.
_Source: Wikipedia, Atmosphere of Earth, Troposphere_
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