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cooler air is cool air
Air cooler which cools your limited area, or decreases your room temperature.
When the ground is cooler than the air you get fog.
Warm air is less dense than cooler air.
Some advantages to an air cooler include:Cooler temperaturesComfortSome disadvantages to an air cooler include: Uses electricityNoise pollutionBigger expenseTakes up space
Cooler air is found in low valleys on calm nights because cooler air is dense. This denser air sinks down into the valleys.
The density of heated air is less than the density of cooler air.
cooler
If I Am Not Mistaken Cooler And Cooler.
The evaporative air cooler is an alternative to conventional central air conditioning. An evaporative air cooling system is more economical to operate than a conventional central air conditioning unit.
The room becomes cooler because warmer air goes out, and cooler air comes in.