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____ is an example of a transform plate boundary.
The San Andreas Fault
In Wegener's hypothesis of continental drift, how did the continents and the ocean floor move with respect to one another?
Wegener believed that the continents plowed through the thin ocean floor as they changed positions.
At divergent plate boundaries,
two plates move away from each other.
Where is continental rifting currently taking place?
in the East African Rift Valley
Why does oceanic lithosphere subduct under continental lithosphere, whereas continental lithosphere does not subduct under oceanic lithosphere?
The oceanic lithosphere is thinner and denser than the continental lithosphere, which is thicker and less dense.
____ is/are an example of a transform plate boundary.
The San Andreas Fault
At a transform plate boundary, the two plates move
laterally past each other
How old are the oldest sediments that have been recovered by deep-sea drilling? Are they younger or older than the oldest continental rocks?
The oldest ocean sediments are 180 million years old and are younger than the oldest continental rocks on Earth.
How do transform faults and the spreading centers that they transect relate to the direction of movement of the plates they border?
Plates move parallel to the transform fault as they both move away from the spreading center.
Which statement accurately describes the two models of mantle-plate convection?
The Whole-Mantle Convection Model proposes that during convection, the entire mantle is stirred as a whole, whereas the Layer Cake Model proposes that the mantle has a dynamic zone of convection above a thicker, more sluggish zone of convection.
Recommended textbook explanations
Earth and Laboratory Manual for Introductory Geology
Applications and Investigations in Earth Science
Dennis G. Tasa
Pearson Earth Science
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