Across
- 3. pollution bad air
- 5. cars cars which run on batteries
- 6. burning burning of rubbish or the jungle
- 7. and burn smoke from open burning
- 8. fires fires in the jungle
- 10. gases coming from factories
Down
- 1. tiny particles in air
- 2. energy energy that does not cause pollution
- 4. involving your breathing
- 9. smoke coming out of cars