Across
- 1. the flat, low-lying plain that sometimes forms at the mouth of a river from deposits of sediments.
- 3. hard rugged or rocky
- 4. having to do with the physical formations of earth or other planets
- 9. the art and science of cultivating land for growing crops (farming) or raising livestock (ranching).
- 12. period of greatly reduced rain
- 14. long, narrow strip of sandy land built up by waves and tides that protects the mainland shore from erosion.
- 15. vast area of dunes and deserts
- 16. plants associated with an area or time period
- 19. camel large pack animal with one hump, native to North America or Western Asia
Down
- 2. imaginary line around the Earth, another planet, or star running east-west, 0 degrees latitude.
- 5. having to do with factories, mechanical production, or power producing plants
- 6. rapid depletion of plants and the A layer of soil
- 7. a time when a plant or animal is ready to reproduce
- 8. hard solid layer of rock that is located 40 inches below the surface of the earth
- 9. dry
- 10. to save or use wisely
- 11. to put or at risk
- 13. a biome that contains a large flat area of grass
- 17. desert landscape with rocky plateaus and little soil,sand, or vegetation sort of like a mesa biome
- 18. a biome that receives no more than 10 inches of rain a year
