The National Air Quality Monitoring Programme (NAMP) run by Central Pollution Control Board, monitors which of the following pollutants at all locations? 1. Carbon dioxide 2. Sulphur dioxide 3. Oxides, of nitrogen 4. Suspended paniculate matter Select the correct answer using the codes given below: Codes:

The National Air Quality Monitoring Programme (NAMP) run by Central Po

1.	The National Air Quality Monitoring Programme (NAMP) run by Central Pollution Control Board, monitors which of the following pollutants at all locations? 1. Carbon dioxide 2. Sulphur dioxide 3. Oxides, of nitrogen 4. Suspended paniculate matter Select the correct answer using the codes given below: Codes:
A.	1, 2 and 3 only
B.	1, 3 and 4 only
C.	2, 3 and 4 only
D.	1, 2, and 4 only
Answer» D. 1, 2, and 4 only