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Question 10 A pond contains clean water. Which of the following activities will produce least pollution of water? (a) washing clothes in the pond (b) animals bathing in the pond (c) washing motor vehicles in the pond (d) swimming in the pond

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Question 10
A pond contains clean water. Which of the following activities will produce least pollution of water?
(a) washing clothes in the pond
(b) animals bathing in the pond
(c) washing motor vehicles in the pond
(d) swimming in the pond



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