Across
- 2. cities under the...
- 6. extreme......
- 9. What is the effect of destroying the infraviolet rays?
- 11. animals are in danger of losing their....
- 13. What does the greenhouse effect destroy?
- 14. What pollutes the most man-made nature?
- 15. The species that is endangered in the North Pole (plural)
Down
- 1. frozen water
- 3. heat trapped bt CO2 in the...
- 4. The more we pollute nature,the more air gets?
- 5. endargened...
- 7. Who pollutes nature the most?
- 8. sea levels
- 10. animals may become...
- 12. get hot otherwise