air pressure defined
100
What is air pressure?
Is simply the pressure exerted by the weight of air above.
200
air pressure is exerted in which direction?
Its exerted in all directions - down, up and sideways.
300
What is the average air pressure at sea level?
About 1 kilometer per square centimeter.
400
How does air pressure balance and object?
Air pressure is pushing down on an object which balances the object pushing upon the object.
500
Can variations in air pressure from place to place generate winds?
Yes!






air pressure

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