The primary evidence that the outer core is molten is an abrupt
A) increase in the velocity of P-waves,but no increase in S-waves.
B) increase in the velocity of L-waves.
C) stop of S-wave propagation,and a decrease in P-wave velocity.
D) stop of P-wave propagation,and a decrease in S-wave velocity.
Correct Answer:
Verified
Q46: The inner core is solid because
A)it is
Q47: The upper mantle is the region known
Q48: The Earth's lithosphere
A)is the same as the
Q49: Evidence to support that the inner core
Q50: What is the evidence for Earth's central
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
Q55: The outer core is liquid because
A)it is
Q56: The mantle is composed of
A)iron and nickel.
B)iron-rich
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