ConcepTest: Oceanic Floor Width
Question:
Two ocean basins of identical size are almost surrounded by continents. The oceanic lithosphere below Ocean A is bordered by plate boundaries. The sea floor under Ocean B has a plate boundary running along its center but none along its margins. Under which ocean is the oceanic floor most likely to be decreasing in width?
a. Ocean A
b. Ocean B
a. Ocean A
b. Ocean B
Student Responses:
No data yet. The correct response is A.
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