Match the column 1 with column 2
| COLUMN 1 | COLUMN 2 | ||
| A. | Nitrates | i. | Primary pollutant |
| B. | E- wastes | ii. | Secondary pollutant |
| C. | DDT | iii. | Electronic wastes |
| D. | PAN | iv. | Blue baby syndrome |
Answer & explanation
Correct answer: option 3
Excess of nitrates causes blue baby syndrome.
E- wastes are electronic wastes.
DDT is a primary pollutant.
PAN is a secondary pollutant.