Across
- 2. Fossils that show activity, not body.
- 3. Settled particles in water or air.
- 6. Preserved remains of organisms.
- 8. Soil layer below topsoil.
- 11. Path taken by earth around the sun.
- 13. soil particles.
- 15. To put or leave something in a place.
- 16. made from compacted sediments.
- 18. Stone layers, can be shale, sandstone, or limestone.
- 19. Old or long ago.
Down
- 1. Earth's complete turn on its own axis.
- 4. Uppermost layer of soil.
- 5. Spinning of Earth on its axis.
- 7. Rock formed by sediments.
- 9. Small soil particles.
- 10. together.
- 12. Soil that is rich in nutrients for plants.
- 14. down of organic matter.
- 17. No longer exists.