Across
- 7. to the north or south pole
- 11. stream-strong ocean current that brings warm water
- 13. types tropical,temperate,polar,dry,highland
- 14. elevation of an object above the surface
- 16. plant or animal matter
- 17. - height above a given level
- 18. - group of plants or animals that depend on each other.
- 19. angular distance of a place north or south of the equater
Down
- 1. a region or climate by mild temperatures
- 2. fuel- natural fuel from the remains of organisms
- 3. of desert like conditions
- 4. wind that brings dry or moist air
- 5. or belonging to a continent
- 6. were plant or animal live
- 7. frozen layers of soil
- 8. east or west of the prime meridian
- 9. that died out
- 10. front-boundary between two air masses
- 12. Resource - any material in nature that people use.
- 15. resources-earth replaces naturally