Across
- 1. Too much plastic becomes __.
- 5. We must protect our __.
- 8. Smoke from vehicles causes air __.
- 9. Don’t waste __. Turn off the lights!
- 10. Save __ when you brush your teeth.
Down
- 2. We should plant more __ to make the air fresh
- 3. We should throw rubbish into the__
- 4. Reduce, reuse, and __.
- 6. We can __ plastic bottles to use them again
- 7. The place where fish live is a __.
- 8. Dirty air from cars and factories is called air __