6.
7.
8.
B. Mid-Atlantic Ridge
D. all of these
Iceland has a great deal of volcanic activity. The reason for this is:
A. it was formed above a mid-ocean rift.
B. it is part of the "Ring of Fire".
C. two tectonic plates are rubbing against each other under Iceland.
D. the American plate is diving under the European plate in this region.
The location of earthquake epicentres, active volcanoes and mountain ranges plays
a vital role in setting the foundation of;
A. Seafloor Spreading
C. Continental Drift
B. Plate Tectonics
D. all of these
Which of the following statements is true about earth's crust?
A. It moves constantly.
B. It doesn't move
c. It moves in certain times and places
D. It has remained the same since its formation.
9. It is responsible in forming volcanoes, mountains and causes earthquake.
A. tectonic plate motion
C. convection
B. deposition
D. weathering
10. Tectonic plates are pieces of the:
A. atmosphere
C. hydrosphere
B. lithosphere
D. asthenosphere​