alleryStart learning →In the warm and wet tropics, water vapour may account for:
AHalf of the air by volume
BFour per cent of the air by volume
CA fifth of the air by volume
DNone of the air by volume
Answer & Solution
Correct answer: B. Four per cent of the air by volume
1. Water vapour content changes from place to place.
2. In the warm wet tropics it may be four per cent of the air by volume.
3. It thins sharply toward the dry and cold areas.
_Source: syllabus Geography, 'Composition and Structure of Atmosphere' (kegy207)_
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