Across
- 1. – A long natural flow of water.
- 4. – The usual weather conditions in a place.
- 6. – The natural world around us.
- 8. – Everything in the world that is not made by people.
- 9. – A large area covered with trees.
- 10. – A very large body of salt water.
Down
- 2. – To use materials again instead of throwing them away.
- 3. – Animals and plants living in nature.
- 5. – Dirty air, water, or land caused by harmful substances.
- 7. – Power used to run machines and devices.