Match the pollutants in Column I with their effects in Column II:
| Column I | Column II |
|---|---|
| I. Heavy Metals | A. Eutrophication |
| II. Ammonia and Nitrates | B. Toxicity in aquatic life |
| III. Pesticides | C. Disruption of food chains |
| IV. Bacterial Contamination | D. Spread of water-borne diseases |
1
I-A, II-B, III-D, IV-C
2
I-B, II-A, III-C, IV-D
3
I-D, II-B, III-C, IV-A
4
I-C, II-D, III-A, IV-B