Across
- 3. a type of energy from plant and animal material
- 5. when it gets really hot in waves
- 6. natural catastrophes with lots of water
- 8. lots of trees on one spot
- 10. smth that makes a balanced environment
Down
- 1. smth that is not longer needed
- 2. an environment friendly diet
- 4. use of energy that does not affect the environment negatively
- 7. smth that is poisonous
- 9. a really dry environment