Across
- 4. Keep on trying!You must never give up!
- 6. Caretta-caretta and Monachus-monachus are .... species.
- 8. Animals or plants that do not exist any more have become
- 9. Carbon Dioxide and Sulphur Dioxide are
- 10. Car gases cause air
- 12. The ... (sea) brought hundreds of starfish on shore!
Down
- 1. The air,water,and land on Earth.
- 2. Chemical material that factories throw away.
- 3. Even if you only plant one tree, you can make a
- 5. Tourists disturb the natural ... of animals.
- 7. When I return from school I leave my jacket on the floor.
- 11. We must not disturb the turtles when they ... their eggs.