Match the following.

List-I (Environmental Issues)	List-II (Features)
a. Depletion of minerals	1. Zinc's exhaustion
b. Depletion of species	2. Animal species
c. Nuclear wastes	3. Catastrophic
d. Solid wastes	4. Toxic substances

A. a-1, b-2, c-3, d-4

B. a-1, b-3, c-2, d-4

C. a-4, b-3, c-1, d-2

D. a-4, b-2, c-1, d-3

Answer: Option A