Across
- 1. winds that bring dry or moist air
- 4. decayed plant or animal matter
- 6. frequently extermely cold but can get warm in the summer
- 10. resources that Earth replaces naturally
- 13. to die out
- 14. usually dry and don't get much rain
- 15. group of plants and animals in an environment
- 16. nonrenewable resources that formed form the remains of ancient plants and animal
- 17. spread of desert like condition
- 18. place where a plant or animal lives
- 19. cold, windy,and snowy
- 20. hot dry summers and humid, cool win
Down
- 2. any material nature that people use and value
- 3. direction of warm and cold ocean currents cause
- 5. warm summer,cool summer, and subarctic
- 7. cool summers and cool winters
- 8. constant high temperatures
- 9. permanently frozen layers of soil
- 11. place where two air amsses met
- 12. warm current that flows along the east coast