Across
- 3. things people use- crops, animals, minerals, and palnts
- 4. loss or destruction of trees
- 6. rate of cooling as a result of wind or air movement
- 7. changes in climate due to elevation
- 12. slow warming of the earth cused by burning fossil fules
- 14. harmful substances in the environment
- 16. use of tools and skills to make life easier
- 17. number of births per 1,000 each year
- 18. naturally occuring elements or soustances found on earth
Down
- 1. increase of temperature due to trapped gasses in atmosphere
- 2. originate over the Atlantic ocean
- 4. countries with a low standard of living and little industry
- 5. dangerous
- 8. number of deaths per 1,000 each year
- 9. originate over the Pacific ocean
- 10. creation of products
- 11. solid, liquid, or gas that are poisonous
- 13. rotating colum of air from within a thundercloud
- 15. shows things or produced in an area
- 19. buildup and discharge of electricity between the ground and a cloud