Answer:
air pressure or atmospheric pressure is referred to the force exerted on a particular surface by air present above due to the gravitational pull of the earth.
Explanation:
in simple terms -air has weight and it constantly exerts pressure against everything in the surrounding. This pressure uses gravitational pull of the earth to exert its force on or over a surface. This is called atmospheric or air pressure. It can be measured by using barometer. The unit of measurement is atm (atmosphere)
<span><span>Physical
than maniacal </span></span>
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It would be the <span>Male gametophyte that the pollen grain represented. </span>
