Which of the following factors is most influential in causing convection in the outer core?
A) The outer core has a low viscosity, approximately equal to that of water at room temperature.
B) The outer core has a high heat conductivity.
C) Compositional differences create a difference in density.
D) Heating causes expansion of fluids.
Correct Answer:
Verified
Q2: Which is not a factor that leads
Q3: How is Earth's magnetic field oriented?
A) almost
Q4: How do geologists know that the magnetic
Q5: The magnetic north pole migrates about
A) 40
Q6: Which property most inhibits convection?
A) elasticity
B) viscosity
C)
Q7: What is the name for a period
Q8: Evaluate the following statement. "Convection is a
Q9: What is declination?
A) the angle of decrease
Q10: Which type of heat transfer occurs without
Q11: The average polarity interval between magnetic reversals
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