Why is the troposphere thickest at the equator?
AColder oceans
BStrong convection
CWeaker gravity
DThinner ozone
Answer & Solution
Correct answer: B. Strong convection
1. The layer is deepest where heating is strongest.
2. Rising air carries heat to great heights there.
3. Strong convectional currents make it thickest at the equator.
4. So the answer is strong convection.
_Source: NCERT Class 11 Geography, 'Composition and Structure of Atmosphere'_
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