Lithospheric plates move in response to
A) convection in Earth's interior.
B) upper mantle convection cells.
C) gravity and heat flow in the mantle.
D) convection cells generated by gravity and heat flow in the mantle.
Answer: D
You might also like to view...
As you go higher and higher above the surface of the Earth, the mass of a body __________
Fill in the blank(s) with correct word
A satellite follows an elliptical orbit about a planet as shown. The speed of the satellite is greatest when the satellite is in position
1) A. 2) B. 3) C. 4) D. 5) same at all points in its orbit. At which position is there no component of force in the direction of the satellite's instantaneous velocity? 6) A 7) B 8) C 9) D 10) A component of force exists in the direction of instantaneous velocity at every point along the orbital path.
A gasoline engine absorbs 2 500 J of heat and performs 1 000 J of mechanical work in each cycle. The efficiency of the engine is
a. 80% b. 40% c. 60% d. 20% e. 50%
If the potential is given by V = xy - 3 z-2, then the electric field has a y-component of
A) x + y - 6 z-3. B) -y. C) -x. D) x + y. E) cannot be determined