The outer core is liquid because
A) it is magnetically charged,and,like a magnet,energy flows from one region to another.
B) the inner core is solid.
C) there is less weight,and thus less pressure on it.
D) it is composed of molten iron.
Correct Answer:
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Q50: What is the evidence for Earth's central
Q51: The primary evidence that the outer core
Q52: Isostasy is
A)crustal equilibrium relative to the mantle.
B)the
Q53: Earth's core is probably composed of
A)silicate minerals.
B)aluminum
Q54: The Earth's magnetic field is generated in
A)outer
Q56: The mantle is composed of
A)iron and nickel.
B)iron-rich
Q57: Movement of the lithosphere
A)has a plastic-like flow.
B)causes
Q58: Thermal convection movement in the upper mantle
A)generates
Q59: The top of the mantle is the
Q60: The Earth's layer with plastic-like behavior is
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