Briefly..: It is the "weight" of our atmosphere at the elevation it is measured and is affected by temperature, which causes wind, which further changes pressure and temperature which cylces around again. It is in continuous flux.
Answered 5/31/2016
4.7k views
Air: The weight of the air is the barometric pressure it varies with elevation and weather.
Answered 9/24/2017
4.7k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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