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By sucking through a straw a student can reduce the pressure in his lungs to 750 mm of Hg density 13.6 gcm3 Using the straw he can drink water from glass upto max. depth of

Answer» By sucking through a straw a student can reduce the pressure in his lungs to 750 mm of Hg density 13.6 gcm3 Using the straw he can drink water from glass upto max. depth of


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