Across
- 1. measures east and west
- 4. dropping eroded material
- 7. measures north and south
- 8. ne nw se sw
- 10. looses leaves
- 16. process of removing rock and soil
- 17. low latitudes
- 19. a break in Earths crust
- 20. study of Earths features
Down
- 2. water found in the desert
- 3. evergreens
- 5. high latitude
- 6. molten rock
- 9. group of plants and animals
- 11. equal hours of day and night
- 12. direction n s e w
- 13. condition of sky at a certain time
- 14. biological environment
- 15. average weather of a place
- 18. longer daylight in one hemisphere