Across
- 2. large stream
- 4. beach formed by long shore drift
- 6. subdivisions of periods on the geologic time scale
- 8. a break or crack in the earth's lithosphere
- 9. copy of organism's shape
- 12. wind erosion that removes surface materials
- 13. a feature of topography
- 15. layer of soil beneath the top soil
- 17. an animal with a backbone
- 20. dark-colored organic material
Down
- 1. small depression that forms when a chunk if ice is left in glacier till
- 3. the preserved remains or traces of living things
- 5. land form with high elevation
- 7. warm-blooded vertebrate
- 10. my favorite candy
- 11. organism that breaks down remains of dead organisms
- 13. the loose layer of dead plants and leaves
- 14. a ridge formed by till deposited at the edge of a glacier
- 16. the amount a river carries
- 18. wave washed sediment along a coast
- 19. large channel in soil formed by erosion