The nucleus of old crystalline rock in each of the principal ...

[EY67]

The nucleus of old crystalline rock in each of the principal continental masses is called a
 
  A) basalt mass.
  B) continental shield, or craton.
  C) mountain mass.
  D) composite zone.

Question 2

A hypsographic curve is
 
  A) a graph that shows the change in temperature with depth below the surface of a continent.
  B) a graph that shows the change in temperature with depth below the surface of the ocean floor.
  C) a generalized curve showing Earth's surface by area and elevation in relation to sea level.
  D) a graph that shows Earth is of relatively high relief.
  E) a graph that shows Earth's relief is great when compared to its diameter.

[jesse.fleming]

Answer to Question 1

B

Answer to Question 2

C