Author Question: According to Figure 13.29, where did the oldest crust in North America form? A) in northern ... (Read 149 times)

bobthebuilder · **on:** Jul 16, 2018

According to Figure 13.29, where did the oldest crust in North America form?

A) in northern Canada
B) in southern Mexico
C) in the Western Cordillera
D) on the east side of the continent

Question 2

The elevations of continents and oceans vary from each other because

A) oceanic crust is thinner and denser than continental crust.
B) oceanic crust is thinner and less dense than continental crust.
C) oceanic crust is thicker and denser than continental crust.
D) oceanic crust is thicker and less dense than continental crust.