Week 8 Final Exam NOTE ALL ANSWERS 100% CORRECT FALL-2021 SOLUTION GUARANTEED GRADE A+

Where is the top of the asthenosphere closest to the earth’s surface? • A. Next to a subduction zone • B. Underneath a collision zone • C. In the center of continental plates (craton) • D. Underneath a transform fault • E. Underneath a mid-ocean ridge Question 2 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. the Earth’s landscapes are fixed and have not changed • B. ancient sedimentary rocks formed by similar processes as are observed today • C. the volcano that erupted last year on August 15 will occur every 10 years on that date • D. gravity being a recent phenomenon and not changing metamorphic rocks in the past • E. the fact that our human ancestors hunted dinosaurs for millennia Feedback:01.3 Question 3 of 50 2.0/ 2.0 Points Where do we generally find the most quantity of explosive volcanic eruptions? • A. Subduction zone boundary •B. Divergent plate boundary • C. Mid-oceanic ridges • D. Transform plate boundary • E. Ocean island hotspots Question 4 of 50 2.0/ 2.0 Points Which of the following is the most significant natural cause of climate change in the last 2 million years? • A. Volcanic eruptions • B. Milankovitch cycles • C. Burning of fossil fuels• D. Photosynthesis • E. Solar flares Question 5 of 50 2.0/ 2.0 Points What evidence did Alfred Wegener use for his hypothesis of continental drift? • A. mid-oceanic ridges and the age marine rocks • B. similar rocks and fossils on distant continents • C. paleomagnetic patterns on either side of the mid-oceanic ridge • D. earthquake patterns and GPS measurements • E. trenches and subduction zonesQuestion 6 of 50 0.0/ 2.0 Points The primary basis for classifying detrital (clastic) rocks is , whereas the primary basis for classifying chemical rocks is . • A. rock type ; rounding • B. sorting ; density • C. particle shape ; trace elements • D. crystalline structure ; sorting • E. particle size ; mineral composition Question 7 of 50 0.0/ 2.0 Points Which type of faulting is most dangerous in Utah? •A. Reverse • B. Transform • C. Strike-slip • D. Thrust • E. Normal Question 8 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 9 of 50 2.0/ 2.0 Points Shield volcanoes consist of . • A. Mostly low viscosity basalt flows with a lower silica content. • B. Alternating layers of silica-rich rocks and intrusive igneous rocks such as basalt.• C. Alternating layers of cinders and ash embedded in silica-rich lava flows. • D. Explosive pyroclastic material and low viscosity lava flows. • E. A combination of granitic lava and pyroclastic material with some rhyolite. Question 10 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. C • B. A • C. D • D. B Question 11 of 50 2.0/ 2.0 Points When the radiometric clock starts ticking in zircon minerals, there is only 100% of the unstable radiometric parent isotope X and 0% of the stable daughter isotope Y. After testing in a lab millions of years later, there is 25% of the parent radiometric isotope and 75% of the daughter isotope. How many half lives have elapsed? • A. 0.5 • B. 1• C. 3 • D. 2 • E. 0.25 Question 12 of 50 0.0/ 2.0 Points Where would you expect both shallow and deep earthquakes in which the deeper earthquakes are located farther inland? • A. At a transform boundary along the San Andreas fault in California. • B. At a convergent plate boundary such as along the west coast of South America. • C. At a divergent plate boundary in the middle of a continental plate such as Africa’s Great Rift Valley. •D. At a transform plate boundary anywhere in the world. • E. At a divergent plate boundary in the middle of the Atlantic Ocean. Question 13 of 50 2.0/ 2.0 Points Which best explains the processes at the mid-oceanic ridge? • A. Plates converge creating new crust • B. Plates diverge destroying old crust • C. Plates diverge creating new crust • D. Plates slide past each other destroying old crust • E. Plates converge destroying old crustQuestion 14 of 50 2.0/ 2.0 Points Scientific conclusions are based on . • A. subjective evidence and ancient books • B. polling of experts • C. public consensus • D. only quantitative data • E. objective evidence and experiments Feedback:01.2 Question 15 of 50 2.0/ 2.0 Points In the rock cycle, what processes directly link igneous rocks to metamorphic rocks? • A. weathering and erosion• B. deposition and lithification • C. compaction and cementation • D. melting and crystallization • E. recrystallization by high heat and pressure Question 16 of 50 2.0/ 2.0 Points In terms of groundwater resources, what properties make the best aquifer? • A. High porosity and low permeability • B. High porosity and high permeability • C. Low porosity and low permeability• D. High porosity and no permeability • E. Low porosity and high permeability Question 17 of 50 2.0/ 2.0 Points Which of the following surficial processes results in the most poorly sorted sediments? •