Geology > EXAM > ERSC 181 Final Exam Questions and Answers | American Public University, 2021 (All)

ERSC 181 Final Exam Questions and Answers | American Public University, 2021

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ERSC 181 Final Exam Questions and Answers | American Public University, 2021-A coarse-grained (phaneritic texture) igneous rock formed . • A. due to erosion, frost wedging, and weathering ... • B. on the surface of the earth in an explosive eruption • C. on the surface of the earth in a quiet (effusive) eruption • D. by immense direct pressure and heat • E. deep under the surface of the earth Question 2 of 50 2.0 / 2.0 Points The Precambrian Era is the time before abundant multicellular life with hard parts evolved. This time interval represents what percentage of earth’s history? • A. 1% • B. 99% C. 88% • D. 50% • E. 12% Question 3 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 • E. earthquake patterns and GPS measurements Question 4 of 50 2.0 / 2.0 Points Scientific conclusions are based on . A. public consensus • B. subjective evidence and ancient books • C. polling of experts • D. only quantitative data • E. objective evidence and experiments Feedback:01.2 Question 5 of 50 2.0 / 2.0 Points In terms of groundwater resources, what properties make the best aquifer? • A. Low porosity and low permeability • B. Low porosity and high permeability • C. High porosity and high permeability • D. High porosity and low permeability [Show More]

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