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Why is water essential for life?...

Why is water essential for life?

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(i) About 70% weight of human being is due to water.
(ii) All cellular processes take place in water as medium.
(iii) All reactions taking place within our body cells involve substances that are dissolved in water.
(iv) Transportation of substances from one part of the body to another takes place in dissolved form.
(v) Terrestrial life-forms require freshwater to get rid of high amounts of wastes.
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