Match List-I with List-II and select the correct answer:

List I	List II
a. Mixing of harmful chemicals in water	1. Air Pollution
b. Presence of undesirable solid or gaseous, Particulate matter in air	2. Noise Pollution
c. Noise upto 120 decibel	3. Water Pollution
d. Ultraviolet Rays	4. Radioactive Pollution

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

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

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

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

Answer: Option D