jnmnAir around us
Across
- 3. plants use this gas for making their food
- 5. layer of air surrounding the earth
- 8. we cannot see air as it is
- 9. animal breathing under water
Down
- 1. mixing of harmful gases in the air
- 2. moving air
- 4. can fly in the air
- 6. gas needed for breathing
- 7. air is a mixture of these