Exam (elaborations)
ERSC 181 Week 8 Final Exam (timed and single access)
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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?
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Institution
American Public University
Course
SCIN 181
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American Public University
- Course
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SCIN 181
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