Which of the following statements gives an important reason for the large daily temperature range over deserts?
A. Free convection cells are unable to form above the hot desert ground.
B. Dry air is a very poor heat conductor.
C. There is little water vapour in the air to absorb and re-radiate infrared radiation.
D. The light coloured sand radiates heat very rapidly at night.
Answer: C
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Josip Broz Tito
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