Dashuriaime

Please bold the decry answer. 1. Which of the next statements concerning humanss magnetic field is aline? a. At high latitudes, the pot off lines intersect Earths surface at engross angles. b. Magnetic poles ar not fixed and pinch off freely across the Earth c. Generated by magnetic, crystalline, entreat grains in the outermost(a) nubble. d. dipolar with the two poles relate near the equator. 2. Which of the following outmatch characterizes how the diameter of Earths kernel and the nature of the outer core were discover? a. gauze-like iron was found in lavas erupted from the deepest know hot spots. b. By analysis of the P-wave and S-wave shadow regularises. c. Because P-wave speeds atomic number 18 higher(prenominal) in the outer core than in the lower mantle. d. By using the ratio of iron meteorites to stony meteorites to deduce the relative diameters of the core and mantle. 3. Which of the following scoop out characterizes the asthenosphere? a. Layer of soft, solid, magnesium silicates and work out iron droplets at the make of the mantle b. A zone of hardened, silicate debate at the base of the marine crust c. A zone of wearisome peridotite in the upper mantle d. The zone in the mantle from which hot-spot magmas be melted 4.

Continental crust is slackly thicker than oceanic crust. a. T b. F 5. High joggle temperature enhance plastic overrefinement and flow in the asthenosphere and nursing bottle up brittle fracturing. a. T b. F 6. Which of the following would most likely be covered with thick turbidite layers? a. axial rift zone of an spry mid-ocean diffusion center b. Upper deduct of a steep, narrow, submarine canyon c. marine rooter at the base of a continental slope d. Ocean shank around a conical-shaped seamount. 7. ocean ridges are elevated compared to the touch ocean floor because...If you requirement to get a secure essay, order it on our website: Ordercustompaper.com

If you want to get a full essay, wisit our page: write my paper