The concept of seafloor spreading states that
A) Earth is expanding.
B) seafloor is created at mid-ocean ridges and destroyed at deep ocean trenches.
C) sea level is rising.
D) earthquakes occur underwater.
Correct Answer:
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Q99: The ocean crust
A)becomes progressively younger away from
Q100: According to the theory of seafloor spreading,molten
Q101: Most of Earth's seismic activity,volcanism,and mountain building
Q102: The relative movement of a strike-slip fault
Q103: Divergent boundaries are areas of
A)tensional forces that
Q105: Spreading centers occur along
A)trenches.
B)transform faults.
C)mid-ocean ridges.
D)the northern
Q106: If seafloor spreading creates new lithosphere,does the
Q107: Convection in Earth's mantle is attributed to
A)sinking
Q108: Regions in which earthquakes are common are
Q109: Two boundaries associated with seafloor spreading centers
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