The core of Earth is probably composed of
A) silicate minerals.
B) aluminum oxides.
C) iron and nickel.
D) calcium magnesium sulfate.
Correct Answer:
Verified
Q28: Alfred Wegener supported his theory of continental
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
Q34: The theory of seafloor spreading is supported
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
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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