Home › UPSC CSE › Geography › Physical Geography › In the warm wet tropics, water vapour may make u…
In the warm wet tropics, water vapour may make up what share of air by volume?
AHalf per cent
BFour per cent
COne per cent
DTen per cent
Answer & Solution
Correct answer: B. Four per cent
1. In deserts and polar areas it is under one per cent.
2. In the tropics it reaches four per cent.
3. It decreases with altitude and towards the poles.
_Source: NCERT Class 11 Fundamentals of Physical Geography, Chapter 8, Composition and Structure of Atmosphere._
Related questions
How many check-dams did Bhujpur villagers build in 1989?Bhujpur's check-dams were built on which river and its tributaries?Bhujpur, where villagers built check-dams in 1989, is in which region?Watering plants through narrow tubes delivering water at the base of the plant is:Bawris, now being revived, were traditional structures for:Using rainwater to recharge groundwater is called:Excessive rains cause floods, while absence of rain results in:Most Indian farmers depend on which source to irrigate crops?