Across
- 2. food web during this world
- 5. all tree full down
- 7. some plant put in somewhere
- 8. The ocean consists almost entirely of water and salt. There are tempertures in the ocean.
- 11. the mountion of the rocks
- 12. Ultraviolet(uv), the damage from the sun or the air.
Down
- 1. if car start, it need to drian out
- 3. plant need this on the morning
- 4. A year of 24 solar terms and 72 hou
- 6. Is make us happy at somewhere
- 9. Biology and environment constitute an organic whole
- 10. changing everyday