| 1. | Soil pollution | [A] | music system |
| 2. | Air pollution | [B] | sewage |
| 3. | Water pollution | [C] | smoke |
| 4. | Noise pollution | [D] | polybags |
A) 1 - D, 2 - C, 3 - B, 4 - A
B) 1 - C, 2 - D, 3 - B, 4 - A
C) 1 - B, 2 - C, 3 - D, 4 - A
D) 1 - A, 2 - C, 3 - B, 4 - D
E) 1 - C, 2 - D, 3 - A, 4 - B
Correct Answer: A
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