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General Knowledge · Q201

Environmental Science

Competitive Exams · General Knowledge · question 201

Q201

An important reason for the large daily temperature range over deserts is:

A.
There is little water vapor in the air to absorb and re-radiate infrared radiation
Answer
B.
The light-colored sand radiates heat very rapidly at night
C.
Dry air is a very poor heat conductor
D.
Free convection cells are unable to form above the hot desert ground
E.
The ozone content of desert air is very low

Answer: Option A

Solution

Answer: Option A
Solution:
There is little water vapor in the air to absorb and re-radiate infrared radiation.