What is a swamp cooler?|
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An evaporative cooler (also swamp cooler, swamp box, desert cooler and wet air cooler) is a device that cools air through the evaporation of water. Evaporative cooling differs from typical air conditioning systems, which use vapor-compression or absorption refrigeration cycles.

A cooler in which people put in there homes

respiration

Explanation:

animals breathe co2 out and plants breathe it in.. wel... plants dont actually breathe but u get it