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Assertion: The prime contaminants of the eutrophic water body are nitrates and phosphates which acts as plant nutrients. Reason: They overstimulate the growth of algae, fishes and other aquatic animals and robbing the water of dissolved oxygen.A. If both assertion and reason are true and the reason is the correct explanation of the assertionB. If both assertion and reason are true but reason is not the correct explanation of the assertionC. If assertion is true but reason is falseD. If both assertion and reason are false. |
Answer» Correct Answer - C The prime contaminants of the eutrophic water body are nitrates and phosphates which acts as plant nutrients They overstimulate the growth of algae causing unsightly scum and unpleasant odour, and robbing the water of dissolved oxygen causing death of fishes and other aquatic organisms. |
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