Across
- 4. fluctuation from summer to winter
- 7. a color that embrace the environment
- 8. most important for human survival
- 9. Tallest mountain
- 10. blanket of air
Down
- 1. gift of plants which embraces nature
- 2. a offering to the environment
- 3. the subject related to the environment
- 5. basic necessity to survive
- 6. place where birds build nest