Across
- 5. when people gather to drive in one car
- 6. threatened by extinction
- 9. planting these helps create co2
- 10. this transport is best for the environment
Down
- 1. a plastic bottle can be....
- 2. plants and trees release this into the air
- 3. the process of making the environment dirty
- 4. Do not waste this, everyone need it
- 7. third planet from the sun
- 8. To use over again