Question 6 6. The asthenosphere is known from O (A) a low velocity zone in the upper mantle O (B) a high velocity zone in the upper mantle O (C) deep mantle rocks exhumed at mid ocean ridges (D) Pratts law estion 7 7. The Moho and the base of the lithosphere are the same O (A) true O (B) false Question 8 8. The low seismic velocity zone is caused by O a change in rigidity of the mantle in the asthenosphere O a change in mantle density associated with phase transformation O the transition from the crust o the mantle O all of the above
Question 6 6. The asthenosphere is known from O (A) a low velocity zone in the upper mantle O (B) a high velocity zone in the upper mantle O (C) deep mantle rocks exhumed at mid ocean ridges (D) Pratts law estion 7 7. The Moho and the base of the lithosphere are the same O (A) true O (B) false Question 8 8. The low seismic velocity zone is caused by O a change in rigidity of the mantle in the asthenosphere O a change in mantle density associated with phase transformation O the transition from the crust o the mantle O all of the above
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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6. A Asthenosphere is known as the low velocity zone in the upper mantle.
7. False
8. All of the above
The deepest Earthquake occur in the subducting plate
8. Earthquake intensity is measured on mercalli scale.
9. The severity of the shaking during an earthquake is depends upon all of the following except time of the year of the earthquake.
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