Across
- 3. ssddfwj
- 7. rieolke
- 10. aaaaa
- 12. c
- 14. fff
- 16. ffe
- 19. jfr
- 20. the preserved remains of plants and animals whose bodies were buried in sediments
Down
- 1. oo
- 2. eee''
- 4. jdkf
- 5. formed by melting of a rock and the cooling and hardening on or below the earth´s surface
- 6. z
- 8. sss
- 9. mvmv
- 11. ff
- 13. molten rock that rises from a volcano or crack in the earth
- 15. djefw
- 17. djfjf
- 18. ff