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Water vapour keeps the earth neither too cold nor too hot, acting like a:
AFilter
BSponge
CBlanket
DMirror
Answer & Solution
Correct answer: C. Blanket
1. It absorbs insolation and preserves radiated heat.
2. It acts like a blanket.
3. It also affects air stability.
_Source: NCERT Class 11 Fundamentals of Physical Geography, Chapter 8, Composition and Structure of Atmosphere._
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