Which layer or layers of the interior are believed to have convection cells?
A) Mantle
B) Mantle and outer core
C) Inner core
D) Outer core and inner core
Answer: B
You might also like to view...
Which of the following best describes melting of the mantle at subduction zones that leads to island arc volcanoes?
A. Heat is carried downward with the subducting plate and melts the mantle above the downgoing plate. B. The subducted plate subsides into the mantle and allows magma from the lower mantle magma ocean to risetoward the surface. C. Water released from the subducting plate decreases the melting temperature in the mantle above thedowngoing plate to generate magmas from the overlying mantle wedge
Country X has a crude birth rate of 40 and a crude death rate of 15. In what stage of the demographic transition is this country?
A) Stage 1 B) Stage 2 C) Stage 3 D) Stage 4 E) Stage 5
The Earth is closer to the Sun during summer in the northern hemisphere than it is during winter.
Answer the following statement true (T) or false (F)
when was the first attempt to measure the distance to the sea floor?
What will be an ideal response?