Ch. 2 Questions Flashcards
1
Q
The asthenosphere is part of __________.
A
B. The Mantle
2
Q
Mid- oceanic ridges occur above _________.
A
A. divergent boundaries
3
Q
The Hawaiian islands formed above a __________.
A
C. hot spot
4
Q
Deep- ocean trenches are found above _________.
A
B. Subduction zone
5
Q
Which of the following energy sources is thought to drive the lateral motions of earth’s lithospheric plates?
a. gravitational attractive forces of the sun & moon
b. electrical and magnetic fields in inner core
c. swirling movements of the molten iron particles in the outer core
d. none of the above
A
D. none of the above
6
Q
New oceanic lithosphere is formed at _____________.
A
C. divergent boundaries by submarine eruptions & intrusions of basaltic magma
