Across
- 2. too much of it is bad for earth
- 5. Production of goods and services
- 6. variation in global climate
- 9. lava spills out
- 10. cutting down of trees in a huge scale
Down
- 1. human activities
- 3. trapping heat in the atmosphere
- 4. causes we cannot control
- 7. farming and producing crops
- 8. number of people living in urban areas