Across
- 3. - A type of energy from the sun
- 4. - A layer in the atmosphere that protects from UV ray
- 7. - The typical weather conditions of a region
- 9. - The process of converting waste into reusable material
- 10. - Type of gas that traps heat in the atmosphere
Down
- 1. pollution - Contamination of the atmosphere, often from vehicles or factories
- 2. - Decomposed organic matter used as fertilizer
- 5. - A community of living organisms and their environment
- 6. - The variety of plant and animal life in an ecosystem
- 8. - Large-scale cutting down of trees