Across
- 7. soil degradation cause by capillary action pulling minerals from deep to the surface
- 8. a boundary where new crust is created
- 9. the most abundant gas in the atmosphere
- 11. may result from an underwater earthquake
- 12. bacteria that can fix nitrogen
- 14. smallest soil particle size, helps with water retention
- 17. process that turns arable land to unproductive land
- 18. a highly productive soil type with a good texture and nutrient load
- 19. layer of atmosphere containing the ozone layer
- 20. a boundary where plates slide past each other
Down
- 1. a phenomenon where the leeward side of a mountain tends to be very dry
- 2. a boundary where subduction may occur
- 3. weather phenomenon creating high ocean surface temperature in the eastern pacific, heavy rainfall in South America, and poor fishing
- 4. describes Earth's crust as being split into moving pieces
- 5. causes winds traveling north or south to deflect
- 6. practice of creating furrows against a hill's slope to slow water's flow down the hillside
- 7. largest soil particle size, contributes drainage and air spaces
- 10. carving steps into a hill side for agriculture
- 13. wind and water moving
- 15. the outer, rocky layer of the earth consisting of the crust and upper mantle/asthenosphere
- 16. layer of atmosphere in which weather occurs