Across
- 1. an industry where water is the biggest burden in the californias water supply
- 5. tectoniv boundary where two pplates are moving away from eacthother
- 6. a yellow star in the milky way galaxy
- 8. formed from light gases of the outer nebula
- 11. Ocean surface currents are created by
- 13. The driving force for ocean currents
- 15. Shifts in earths continents most likely caused a change in earths
- 17. richter scales meausers an earthquake characteristics
Down
- 2. Air moving from the poles toward the equator turns west
- 3. Convergence of two continental plates
- 4. stars begin their life cycle in
- 7. a rock composed of sillicate minerals
- 9. least expolsive volcano
- 10. earths atmosphere,carbon dioxide is used by plants during the process of
- 12. an instrument used to detect earthquake vibrations
- 14. The following was made possible by the presence of photosynthetic bacteria
- 16. Geothermal energy is possible where there is