Across
- 4. To upset something.
- 6. The things that are all around you.
- 9. A substance used to kill unwanted plants.
- 10. A chemical substance used to kill insects.
- 12. Water and waste material that is carried away in sewers.
Down
- 1. My dad spread fertilizer on the new grass.
- 2. cycle it process water on the earth
- 3. fine particles of earth sand that settle out of water
- 5. Smoke and rubbish in the ocean, air or on land.
- 7. A tiny amount of something
- 8. Something used in chemistry.
- 11. The war proved to be disastrous for the nation.