APUS ERSC181 Week 8 Exam exam 100% verified

APUS ERSC181 Week 8 Exam


Question 1 of 50
2.0/ 2.0 Points
What evidence did Alfred Wegener use for his hypothesis of continental drift?





A. trenches and subduction zones



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B. paleomagnetic patterns on either side of the mid-oceanic ridge



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C. mid-oceanic ridges and the age marine rocks



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D. similar rocks and fossils on distant continents



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E. earthquake patterns and GPS measurements




Question 2 of 50
0.0/ 2.0 Points
Which of the following is the most significant natural cause of climate change in the last 2
million years?





A. Solar flares

,APUS ERSC181 Week 8 Exam






B. Burning of fossil fuels



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C. Photosynthesis



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D. Volcanic eruptions



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E. Milankovitch cycles




Question 3 of 50
2.0/ 2.0 Points
Pyroclastic flows are more associated with __________.





A. shield volcanoes





B. flood basalts





C. cinder cones

,APUS ERSC181 Week 8 Exam






D. stratovolcanoes



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E. ocean hot spots




Question 4 of 50
2.0/ 2.0 Points
In terms of groundwater resources, what properties make the best aquifer?





A. Low porosity and high permeability





B. High porosity and no permeability





C. High porosity and low permeability





D. Low porosity and low permeability





E. High porosity and high permeability

, APUS ERSC181 Week 8 Exam




Question 5 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. particle shape ; trace elements



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B. sorting ; density





C. particle size ; mineral composition





D. crystalline structure ; sorting





E. rock type ; rounding




Question 6 of 50
2.0/ 2.0 Points
A coarse-grained (phaneritic texture) igneous rock formed _________________.



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