Across
- 2. A gas from cars and factories that affects the Earth.
- 5. A high rock face, usually near the sea.
- 6. Animals or plants that no longer exist.
- 8. Energy that comes from sources that do not run out.
- 10. A forest that gets a lot of rain and has many trees and animals.
- 11. All the plants, animals, and people living together in one place.
Down
- 1. Different kinds of animals and plants in an area.
- 3. Use things again instead of throwing them away.
- 4. The land next to the sea or ocean.
- 7. Saving and protecting nature.
- 9. Animals or plants that may disappear forever.
- 12. A layer in the sky that protects Earth from the sun.