Multiple Choice
Thermal convection movement in the upper mantle
A) generates the electric current that powers Earth's magnetic field.
B) greatly influences Earth's surface features.
C) heats Earth's core by frictional forces.
D) is usually negligible.
Correct Answer:
Verified
Correct Answer:
Verified
Q7: The upper mantle is the region known
Q8: What are the two major kinds of
Q9: Divergent boundaries are areas of<br>A)crustal formation.<br>B)crustal destruction.<br>C)continuous,high
Q10: Does the fact that the mantle is
Q11: The top of the mantle is the
Q13: The Himalayan Mountains formed at which type
Q14: Earthquake activity is associated with<br>A)divergent,convergent,and transform plate
Q15: Earth's core is probably composed of<br>A)silicate minerals.<br>B)aluminum
Q16: Tensional forces cause the crust to<br>A)buckle and
Q17: The oldest rocks are found<br>A)at convergent boundaries.<br>B)at