Consider the following:

  1. Biopesticides
  2. Pesticides
  3. Mosquito Repellants
  4. Chemical Fertilizers

Which among the above have contributed to the decreasing population of “Birds’?

[A] Only 2 & 4
[B] Only 1, 2, 4
[C] Only 2, 3, 4
[D] Only 2
Click Here to Display Answer