8. Which type of plate boundary occurs where plates move apart, resulting in upwelling of material from the mantle to create new seafloor? A. Transform B. Convergent C. Divergent
9.
10. What type of plate boundary is associated with a subduction zone? A. Transform B. Convergent C. Divergent
12. Wegner suggest that a supercontinent he called Pangaea once existed. Name one such evidence that confirms this as a possibility. A. Fossils B. Dinosaurs C. Oxygen
20. The outer core is a liquid layer. It is the convective flow of metallic iron within this zone that generates the Earth’s what? A. Balance B. Heat C. Magnetic Field
22. The zone between 104 degrees and 140 degrees distance from an earthquake epicenter in which direct waves do not arrive because of refraction by Earth’s core? A. Magnetic Field B. Shadow Zone C. Time Zone
24. Between the lithosphere and the Mesosphere lies a “weak zone” that is partially melted due to temperature and pressure. The lithosphere is able to move independently of this layer. A. Tetrusphere B. Asthenosphere C. Cenosphere
29. Name a North American state that was formed by volcano activity. A. California B. Hawaii C. Alaska
30. One of these answers are correct. . . This is not it
31. Geologist conclude that _______originates when essentially solid rock, located in the crust and upper mantle melts. A. An Explosion B. Magma C. Igneous Rocks
35. Structures that result from the emplacement of igneous material at depth are called plutons. Plutons are generally classified according to their shape as tabular or what? A. Spherical B. Massive C. Intrusive
38. The focus is the internal point in which the earthquake begins emitting energy. What is the external point called? A. Sill B. Point of Contact C. Epicenter
55. Felsic rocks are composed mostly of the light-colored silicate minerals potassium feldspar and quartz and found in which part of the crust? A. Oceanic B. Continental C. Pacific