Question

A desert is very hot in a day and very cool at night why​

Answer 1

Hola mate here is your answer :-

Because sand cannot hold heat, it needs a constant source of energy to stay warm(The Sun). so during the night when the sun is not shining the sand loses all its heat, making the desert night cold. Sand is the biggest reason why deserts are hot during the day and cold during the night.

Hope it helps!!✌️☺️✌️☺️

Answer 2

because due to change in temperature

in day it is very hat and nigjt very cold due to alternative chamge of seasons

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