ERSC 181 Week 8 Final Exam (Timed and single Access) Questions and Answers 2023

ERSC 181 Week 8 Final Exam (Timed and single Access) Questions and Answers 2023. The primary basis for classifying detrital (clastic) rocks is _______, whereas the primary basis for classifying chemical rocks is ________. Question 6 2 / 2 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? Question 7 2 / 2 points Which of the following surficial processes results in the most poorly sorted sediments? Tectonic extension Erosion Tectonic shear Volcanism Tectonic compression particle size ; mineral composition sorting ; density particle shape ; trace elements rock type ; rounding crystalline structure ; sorting 88% 1% 12% 50% 99% … 3/16 Question 8 2 / 2 points In terms of groundwater resources, what properties make the best aquifer? Question 9 2 / 2 points Where is the top of the asthenosphere closest to the earth's surface? Question 10 2 / 2 points A coarse-grained (phaneritic texture) igneous rock formed _________________. Question 11 2 / 2 points glaciers deep marine wind rivers ocean waves Low porosity and high permeability High porosity and high permeability High porosity and low permeability Low porosity and low permeability High porosity and no permeability Underneath a collision zone Next to a subduction zone Underneath a mid-ocean ridge In the center of continental plates (craton) Underneath a transform fault on the surface of the earth in a quiet (effusive) eruption on the surface of the earth in an explosive eruption by immense direct pressure and heat deep under the surface of the earth