mn1014

Tectonic plates consist of




a. continental crust.

b. both continental and oceanic crust.

c. oceanic crust.

d. mesosphere

The deep interior of the Earth can be mapped using

A. seismic waves
B. information from drilling expeditions
C. sonar
D. ocean waves

Wegner thought that all the continents were once all together in a supercontinent called

A. Pangaea
B. Laurasia
C. Eurasia
D. Gondwana

New oceanic lithospere forms as a result of

A. normal polarity
B. continental drift
C. reverse polarity
D. sea-floor spreading

Evidence for sea-floor spreading has come from

A. fossils in South America and Africa
B. ancient climatic conditions
C. the breakup of Pangaea.
D. magnetic minerals on the ocean floor.

A possible result of plates moving along a transform boundary is

A. convection
B. earthquakes
C. oceans
D. sea-floor spreading.

What is the outer most layer of the earth




a. core

b. lithosphere

c. asthenoshere

d. mesosphere

What type of fault usually occurs because of tension?
A. folded
B. strike-slip
C. reverse
D. normal