AMU SCIN138 WEEK 8 FINAL FALL 2021

Part 1 of 4 - 52.0/ 52.0 Points Question 1 of 50 2.0/ 2.0 Points Where is the top of the asthenosphere closest to the earth’s surface?  A. In the center of continental plates (craton)  B. Underneath a collision zone  C. Next to a subduction zone  D. Underneath a transform fault  E. Underneath a mid-ocean ridge Question 2 of 50 2.0/ 2.0 Points When going from a magnitude 5 to a magnitude 6 earthquake on the Richter magnitude scale, what is the increase in seismic wave amplitude?  AMU SCIN138 WEEK 8 FINAL FALL 2021 A. 0.5  B. 10  C. 1  D. 2  E. 100 Question 3 of 50 2.0/ 2.0 Points The primary basis for classifying detrital (clastic) rocks is _______, whereas the primary basis for classifying chemical rocks is ________.  A. sorting ; density  B. crystalline structure ; sorting  C. rock type ; rounding  D. particle size ; mineral composition  E. particle shape ; trace elements Question 4 of 50 2.0/ 2.0 Points Pyroclastic flows are more associated with __________.  A. cinder cones  B. shield volcanoes  C. stratovolcanoes  D. flood basalts  E. ocean hot spots Question 5 of 50 2.0/ 2.0 Points Which type of faulting is most dangerous in Utah?  A. Reverse  B. Strike-slip  C. Thrust  D. Transform  E. Normal Question 6 of 50 2.0/ 2.0 Points What information is needed to determine the distance from the epicenter of an earthquake to a seismic receiving station?  A. The transverse nature of the s-wave  B. The amplitude of the seismic waves on a seismogram  C. The time interval between the P and S waves  D. The magnitude of the earthquake  E. The difference between the amplitude of the seismic waves Question 7 of 50 2.0/ 2.0 Points Applying the principles of relative age-dating to the diagram, which of the following is TRUE. Explanation of the diagram: "A" represents an unconformity (erosional surface), "B" is a basaltic dike, "C" is a shale formation, "D" is a sandstone formation, "E" is a limestone formation, "F" represents a thrust fault.  A. D is YOUNGER than C  B. E is OLDER than B  C. F is YOUNGER than A  D. A is YOUNGER than C  E. B is OLDER than F Question 8 of 50 2.0/ 2.0 Points The map below shows continental land as green and brown, the depth of the ocean floor in blue, and tectonic plate boundaries as colored lines. Evaluate this geologic evidence to determine which location would most likely require adequate tsunami preparedness.  A. A  B. B  C. D  D. C Question 9 of 50 2.0/ 2.0 Points James Hutton’s statement that “the present is the key to the past” (uniformitarianism) is demonstrated by ________.  A. gravity being a recent phenomenon and not changing metamorphic rocks in the past  B. ancient sedimentary rocks formed by similar processes as are observed today  C. the Earth’s landscapes are fixed and have not changed  D. the fact that our human ancestors hunted dinosaurs for millennia  E. the volcano that erupted last year on August 15 will occur every 10 years on that date Feedback:01.3 Question 10 of 50 2.0/ 2.0 Points Refer to the image of a meandering stream shown here. At which site along the stream would stream erosion be the most active?  A. D and B  B. A and C  C. B and C  D. C and D  E. A and E Question 11 of 50 2.0/ 2.0 Points What evidence did Alfred Wegener use for his hypothesis of continental drift?  A. trenches and subduction zones  B. similar rocks and fossils on distant continents  C. mid-oceanic ridges and the age marine rocks  D. paleomagnetic patterns on either side of the mid-oceanic ridge