1. Volcanoes typify all of the following tectonic settings EXCEPT ____________.

a. mantle plumes or hot spots

b. transform boundaries

c. divergent plate boundaries

d. convergent plate boundaries

2. Over the past 600 million years, the rates of tectonic plate motion have been relatively slow, but the direct results have ______________.

a. increased the number of glaciers on Earth during this interval

b. created significant amounts of continental crust during this interval

c. constantly reconfigured global geography during this interval

d. consistently stabilized the positions of the continents during this interval.

3. The oldest mountain range formed on Earth during the time frame shown in the "Global Geography Through Geologic Time" animation is located ______________.

a. in eastern North America 

b. in eastern Africa

c. in southern Europe and southern Asia 

d. in western North America and western South America

4. The youngest mountain range formed on Earth during the time frame shown in the "Global Geography Through Geologic Time" animation is located ______________. (Note: this mountain range fomed ~ 50 M.Y. ago.)

a. in eastern Africa

b. in southern Europe and southern Asia 

c. in western North America and western South America

d. in eastern North America.