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air weighs less than water ;will the pressure exerted by the water will be greater thann the pressure exerted by the same volume of air.give

reasons to support ur answer.


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Pressure exerted by water or air may be found by knowing its weight and dividing that by the surface area on which they are putting pressure.

Pressure =  Weight / surface area  = volume * density / surface area

If volume and surface area are constant, then pressure is directly proportional to density.  As water is of higher density, it exerts more pressure.

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