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Which of the following agricultural practices have been primarily responsible for pollution of our water resources ? A. Use of live-stock manure B. Use of chemical fertilisers C. Excessive use of chemical pesticides D. Deforestation (1) B and C (2) A, C and D (3) A and B (4) A, B and D

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Which of the following agricultural practices have been primarily responsible for pollution of our water resources ? A. Use of live-stock manure B. Use of chemical fertilisers C. Excessive use of chemical pesticides D. Deforestation (1) B and C (2) A, C and D (3) A and B (4) A, B and D
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B and C
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