1. 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.
2. 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.