Author Question: Accretion specifically refers to: a. the passage of geologic time. b. the rate of movement of a ... (Read 42 times)

leo leo · **on:** Aug 7, 2018

Accretion specifically refers to:
a. the passage of geologic time.
b. the rate of movement of a lithospheric plate.
c. chunks of crust added to a continent by collision.
d. the growth of continental shields.
e. basalt erupting out of a mid-oceanic ridge.

Question 2

Scientists today believe that the movement of lithospheric plates is caused by:
a. gravitational attraction between Earth and the moon.
b. convection currents in the mantle.
c. Earth's revolution around the sun.
d. the rapid shrinking of Earth's interior.
e. polarity reversals.