The theory of seafloor spreading is supported by
A) geological, biological, and climatological data.
B) paleomagnetic analysis of the ocean's floor.
C) the change in Earth's polarity.
D) none of the above
Correct Answer:
Verified
Q29: The outer core
A)has a plastic-like flow.
B)spins, which
Q30: Earth's layer with the most brittle behavior
Q32: Wegener's theory of continental drift
A)was first considered
Q33: The core of Earth is probably composed
Q36: Continental crust extends farther down into the
Q37: The theory of continental drift is credited
Q38: Earth's magnetic field
A)never appreciably changes.
B)has reversed itself
Q39: Continental crust is very buoyant compared with
Q44: The lithosphere floats atop the
A)mantle.
B)crust.
C)asthenosphere.
D)mohorovicic.
Q56: The mantle is composed of
A)iron and nickel.
B)iron-rich
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