correct option is blood filteration cz kidneys filter the blood and remove nitrogenous wastes which are excreted in the form of urine ........believe me it's the correct and authentic choice
joule is the unit of work as well as energy as soon as i get rhe equation i will confirm it 4 ur satisfaction tht how do they become equal................bt it's not the unit of heat
Last edited by Silent.Volcano; Wednesday, March 23, 2011 at 09:15 PM.
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