1. Man is destroying natural vegetation. |
2. Man introduced exotic plants damaging the flora |
3. Soil pollution is caused by chemical fertilizers and insecticides and pesticides. |
4. Cloud seeding is a method for inducing precipitation. |
A) 1, 2 and 3 are correct
B) 1, 3 and 4 are correct
C) 2, 3 and 4 are correct
D) 1, 2, 3 and 4 are correct
Correct Answer: D
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