Across
- 1. movement of tectonic plates that create earthquakes
- 7. the process where two species influence each others evolution
- 8. a space rock that stays in form making its way all the way to earth's surface
- 11. opposite of biotic
- 12. the time it takes for Half of a substance to decay
- 13. maps that represent the dimensional surface features
- 15. a stable part of earth's crust
- 19. absence of oxygen
- 20. method of determining the age of rocks using radioactive isotopes
Down
- 2. study of earths structure
- 3. relating to the rigid outer layer of earth's structure
- 4. describes the movement of organisms alongside earth's evolving systems
- 5. gradual movement of earth's lithospheres
- 6. process that requires oxygen
- 9. atoms of the same elements but with different number of neutrons
- 10. Earth's outermost layer
- 14. the study of earth's past magnetic fields recorded in rocks
- 16. A method of dating that uses the decay of radioactive isotopes
- 17. ground shaking occurrence cause by release of energy
- 18. referring to the living components of an ecosystem