Step 1: Review the definition of air pollutants.
- The Air (Prevention and Control of Pollution) Act, 1981 includes all substances (solid, liquid, noise, and gases) that can cause pollution.
Match List-I with List-II 
Match List-I with List-II.
| List-I | List-II |
|---|---|
| A. The Air Act | I. 1974 |
| B. The Forest Conservation Act | II. 1980 |
| C. The Water Act | III. 1981 |
| D. Wild Life Protection Act | IV. 1972 |
Choose the correct answer from the options given below: