The troposphere reaches what height at the poles?
A8 km
B6 km
C4 km
D2 km
Answer & Solution
Correct answer: A. 8 km
1. Over the equator the layer is about 18 km deep.
2. At the poles it is much shallower.
3. It extends roughly to 8 km near the poles.
4. So the answer is 8 km.
_Source: NCERT Class 11 Geography, 'Composition and Structure of Atmosphere'_
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