At the equator, the troposphere reaches about:
A18 km
B8 km
C50 km
D80 km
Answer & Solution
Correct answer: A. 18 km
1. The troposphere thickens where air is warm.
2. At the equator it reaches about 18 km.
3. Strong convection lifts heat to great heights there.
_Source: NCERT Class 11 Geography, 'Composition and Structure of Atmosphere' (kegy207)_
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