Choose two options. Which of the following statements is true about the earth's crust? a.Since new crust is created in the mid-oceanic ridges, we can say that the earth is expanding. b.Older oceanic lithosphere will sink underneath another less dense plate where these materials are destroyed. c.New basaltic rocks created in mid-oceanic ridges tend to sink in situ (in place) immediately after forming since they are very heavy. d.Generation of rift zones and creation of associated oceanic crust may lead to the formation of seas and oceans. e.New oceanic crust in mid-oceanic ridges are only created through mantle plumes and hotspots.
Choose two options. Which of the following statements is true about the earth's crust? a.Since new crust is created in the mid-oceanic ridges, we can say that the earth is expanding. b.Older oceanic lithosphere will sink underneath another less dense plate where these materials are destroyed. c.New basaltic rocks created in mid-oceanic ridges tend to sink in situ (in place) immediately after forming since they are very heavy. d.Generation of rift zones and creation of associated oceanic crust may lead to the formation of seas and oceans. e.New oceanic crust in mid-oceanic ridges are only created through mantle plumes and hotspots.
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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Choose two options. Which of the following statements is true about the earth's crust?
a.Since new crust is created in the mid-oceanic ridges, we can say that the earth is expanding.
b.Older oceanic lithosphere will sink underneath another less dense plate where these materials are destroyed.
c.New basaltic rocks created in mid-oceanic ridges tend to sink in situ (in place) immediately after forming since they are very heavy.
d.Generation of rift zones and creation of associated oceanic crust may lead to the formation of seas and oceans.
e.New oceanic crust in mid-oceanic ridges are only created through mantle plumes and hotspots.
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