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The Importance of Water to Living Organisms  

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The Importance of Water to Living Organisms Without water, life could not exist on this planet. It is doubly important to living organisms because it is both a vital chemical constituent of living cells and for many a habitat too. It covers three quarters of the earth's surface and is the only compound known to man that exists naturally in the three states of matter- solid ice is found at both poles culminating in a formidable climate for living beings; liquid water is found in even the driest region; water vapour is found in hugely variable amounts as part of the earth's atmosphere, which shields its inhabitants from the deadly radiation emitted from the sun. Water is such a fundamental part of human life that the first temperature scale to ever have been constructed, the Celsius scale, has its 'bench marks', as it were, set around water's freezing point (0oC) and...

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