Lauren Natural World
Across
- 2. resources formed from the remains of plants
- 4. wind that causes dry seasons
- 7. resources earth replaces naturally
- 10. where animals and plants live
- 13. coldest climate zone
- 14. large streams of surface water
- 16. area of tall grasses and scattered trees
- 19. the spread of desert like conditions
Down
- 1. frozen layers of soil
- 3. animals and plants that depend on others
- 5. very dry climate type
- 6. material in nature that people value
- 8. average weather conditions over a long period
- 9. semidry grasslands or prairies
- 11. decayed plant of animal matter
- 12. the place where two air masses meet
- 15. animals that die out
- 17. the short-term changes in the air
- 18. coldest of the biomes
- 20. really hot fire ball