Across
- 2. : meanting there is little or no reain fall
- 7. : forest area
- 8. : a cololess odorless natural gas that can have a negatibe impact on the enviroment
- 9. power . Power production plantas use the forse of the river ´water to generate electricity
- 11. : , or permanently frozen ground , beneath it.
- 13. fossil fuels : these resouces are nonrenewable fossil fuels
- 14. : pollutiopn to the problem in the aral sea .
Down
- 1. gas , : a gas that trap the sun ´heat over the earth
- 3. : , or cut off other contries
- 4. : , or flat land found in arcrtic and subartic regions
- 5. ,or continuous extent of land,streches aldmos 6,000 miles from east to west
- 6. : the very large plaints are called steppes.
- 10. : which is very old decayed plants material .
- 12. : , or hard to reach , location .