I Fertilizer II. Insecticides III. Sewage IV. Crude oil V. Sulphur dioxide
A. l only
B. lll only
C. lV only
D. ll and V only
Correct Answer: Option B
B. lll only
I Fertilizer II. Insecticides III. Sewage IV. Crude oil V. Sulphur dioxide
A. l only
B. lll only
C. lV only
D. ll and V only
Correct Answer: Option B
B. lll only
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