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    				| 1. | Consider the following statements and tick the appropriate answerStatement (A) : Water pollution may be defined as alteration in which the physical, chemical and biological characteristics of water. Reason (R) : Water pollution cause harmful effects in human and aquatic life.(a) A is correct and R is the correct explanation of A (b) A is correct but R is not correct explanation of A (c) Both A and R are correct(d) Both A and Rare wrong | 
| Answer» (a) A is correct and R is the correct explanation of A | |