alleryStart learning →In the dry and cold areas of desert and poles, water vapour may be:
AExactly ten per cent of air
BAbove four per cent of air
CLess than one per cent of air
DFixed at two per cent of air
Answer & Solution
Correct answer: C. Less than one per cent of air
1. Cold, dry air holds very little moisture.
2. In desert and polar regions vapour may be under one per cent.
3. The tropics hold several times more.
_Source: syllabus Geography, 'Composition and Structure of Atmosphere' (kegy207)_
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