CST Review

2. the Richter scale measure which of the earthquake's characteristics
4. the most massive stars will end their lives as a
5. the least explosive volcano
7. the Milky Way galaxy is described as a
9. shifts in Earth's continents most likely caused a change in Earth's
10. a layer of cool air is found under a layer o warm air above it
13. which industry's water requirement is the greatest burden on California's fresh water supply
14. made possible by the presence of photosynthesis
15. the driving force for surface ocean currents
16. carbon in the atmosphere is most often found as
19. energy sources most likely to found in California due to its plate boundary's position
20. before the formation of the stars, most of the matter in the universe consisted of what atoms
21. a rift valley is an evidence of which kind of plate boundary

1. Earth's atmosphere is divided into layers are based upon their
3. composed of silicate minerals
6. formed from the light gases of the outer solar nebula
8. geothermal energy is possible where there is
11. the surface of Mercury and our moon contain some very large craters that are most likely from
12. provides evidence for plate tectonics
17. stars begin their life cycle as a
18. detect, measure, and record earthquake vibrations