The cooling by a desert Cooler is based on:

Hot air replacement
Air dehydration
Evaporative Cooling
Air Rehydration
Evaporative Cooling  Desert coolers are based on the simple principle that when unsaturated air comes in contact with water, the water evaporates. In the process, the moisture content of air increases, while its temperature decreases. The resulting cold but moist air is used for providing cooling.

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C. spacecraft
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