Which of these causes water pollution?
(a) sewage
(b) industrial waste
(c) fertilizers and pesticides
(d) all of these

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Solution

(d) all of these

Sewage contains organic matter; industrial waste, fertilizers and pesticides contain hazardous chemicals which pollute water bodies.

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Which of these causes water pollution? (a) sewage (b) industrial waste (c) fertilizers and pesticides (d) all of these

(d) all of theseSewage contains organic matter; industrial waste, fertilizers and pesticides contain hazardous chemicals which pollute water bodies.

Which of these causes water pollution?
(a) sewage
(b) industrial waste
(c) fertilizers and pesticides
(d) all of these

(d) all of these

Sewage contains organic matter; industrial waste, fertilizers and pesticides contain hazardous chemicals which pollute water bodies.