Across
- 2. this means the whole Earth
- 8. something you do to reduce the amount of garbage you have
- 9. when our air is foggy and unhealthy
- 13. to express an observation
- 14. a position where something or someone is
- 16. very merry and joyful
- 17. to show the truth
- 18. not telling the truth
Down
- 1. to do something with force behind it
- 3. when something is put inside a hole in the ground and covered with dirt
- 4. something that is hard to understand
- 5. people who share something together
- 6. water may due this because it is leaking
- 7. we all have these inside our bodies
- 10. to move with a slight trembling or shaky motion
- 11. amount of something measured in a series of steps
- 12. these might help us to solve a puzzle
- 15. quality of being able to perform
