Column matching
| Left Column | Right Column |
| A. Pesticide | (i) CFC |
| B. Weedicide | (ii) Asthma |
| C. Green house gas | (iii) Simazine |
| D. Lung disease | (iv) DDT |
| Left Column | Right Column |
|---|---|
| A. Pesticide | (iv) DDT |
| B. Weedicide | (iii) Simazine |
| C. Greenhouse gas | (i) CFC |
| D. Lung disease | (ii) Asthma |
