Where do rift valleys form along the oceanic ridge system?
A) Along the flanks of the continent where the slope levels out to meet the seafloor
B) Along the axis of some ridge segments where the rift is down-faulted
C) Transecting the ridge where transform boundaries exist
D) Where the seafloor plunges back into the mantle as the plate is consumed
Answer: B
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The electrical force between charges is strongest when the
A) charges are close together. B) charges are far apart. C) electric force is constant everywhere.
According to plate tectonic theory, the San Andreas fault is a transform boundary that separates the North American plate from the ________.
A. Australian plate B. Caribbean plate C. Eurasian plate D. Cocos plate E. Pacific plate
Deposits in western North America and central Europe that indicate arid conditions on the Pangaea supercontinent
include ____________________ and ____________________. Fill in the blank(s) with the appropriate word(s).
What is a characteristic of transform faults?
A) They are fractures along two plates that slide vertically. B) They move in opposite directions, horizontally of each other. C) They are just as active as fracture zones. D) All of these choices are true.