Match the following pollutants.
| (a) Gaseous pollutant | 1. Anthrax |
| (b) Metal pollutant | 2. Chlorine |
| (c) Deposited matter pollutant | 3. Cadmium |
| (d) Biopollutant | 4. Tar |
(a) (b) (c) (d)
2 3 4 1
1 2 3 4
4 3 2 1
3 1 2 4
(a) (b) (c) (d)
Next Question
Which of the following is correctly matched?| I. Meteors | - Shooting star |
| II. Comets | - Revolve round the earth |
| III. Halley’s Comet | - Appear once in 100 years |
| IV. Milky Way | - Hundreds of stars |