What is the principal difference between the inner core and outer core?
A) The inner core consists mainly of iron and nickel, while the outer core consists mainly of silicate minerals.
B) The inner core consists mainly of silicate minerals, while the outer core consists mainly of iron and nickel.
C) The inner core is solid while the outer core is liquid.
D) The inner core is liquid while the outer core is solid.
Correct Answer:
Verified
Q6: How do seismologists know the outer core
Q7: Tectonic plates move about as fast as
A)a
Q8: The rocks of the core are more
Q9: The process of isostasy is responsible for
A)moving
Q10: S-waves accelerate as they enter the outer
Q12: Crust is consumed at transform boundaries.
Q13: Transform plate boundaries are marked by
A)volcanic island
Q14: Which type of earthquake wave moves fastest?
A)P-wave
B)S-wave
C)L-wave
D)R-wave
Q15: What driving force of plate movement is
Q16: Hot spots are recorded by
A)extensive earthquake hazards
B)mantle
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