Across
- 3. Tiger is an _________ species that need to be protect
- 4. ________ is one of the effort to protect wildlife and natural resources
- 6. Forest found in tropical area of heavy rainfall
- 8. Variety of plants and animals in an environment
- 10. Population of zero also called as ______
Down
- 1. The destruction of forest due to human-made
- 2. ________ is one of protected green area
- 5. A layer that absorb harmful UV radiation from sun
- 7. Coal and gas are type of ______
- 9. A type of renewable energy