Judge the following sentences according to the criteria given below. A student disputes the process of mantle convection. They argue that rock is solid and cannot flow. They challenge their classmates to provide evidence for present day mantle convection. A classmate shows them a seismic tomographic map and cross section showing variations in S-wave velocities.
A) The seismic tomographic map and cross section do show evidence for present day mantle convection and offers a strong affirmation of mantle convection.
B) The seismic tomographic map and cross section do show evidence present day mantle convection but this data cannot be used as evidence for mantle convection.
C) The seismic tomographic map and cross section has a random pattern of S-wave velocities and offers no evidence for anything.
D) The seismic tomographic map and cross section shows evidence for mantle convection in the past but not for present day mantle convection.
Correct Answer:
Verified
Q52: Without convection, there would be no volcanoes
Q53: Judge the following sentence according to the
Q54: Conduction is the transfer only of heat
Q55: Why is the lower mantle thicker than
Q56: How could the mantle be too thin
Q58: What processes transport heat without moving matter?
A)
Q59: Judge the following sentence according to the
Q60: Mantle convection occurs because upward-moving rock expands
Q61: "What does mantle convection look like?"
Q62: "How does outer-core convection generate the magnetic
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents