Why do deserts often experience very hot days but very cold nights?

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A Deserts receive more sunlight than other regions.
B Dry air and a lack of clouds allow heat to escape rapidly at night.
C Desert sand produces heat only during the day.
D Winds carry all the heat away after sunset.

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Answer: B. Dry air and a lack of clouds allow heat to escape rapidly at night.

Dry air and a lack of clouds allow heat to escape rapidly at night.

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Why do deserts often experience very hot days but very cold nights?

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