Across
- 3. is to stop something being damaged
- 4. is when somenthing continues to exist
- 6. is a person who works for no pay
- 8. is a place to live or stay
- 9. is to make an amount smaller
Down
- 1. is to give money or help to someone, something
- 2. is the protection of natural things
- 5. is damage caused to air, or water by harmful waste
- 7. is the work necessary to keep something in good condition