Explain what causes earthquakes. be sure to include examples as well.

This is the mountain range known as the alps. which of these statements regarding the alps is true? a) the alps are the largest mountain range in asia. b) the alps protect the roman empire from invasion. c) the alps were key in preventing england from being conquered in warfare. d) the alps prevented the roman empire from taking control of most of europe.

Historical vs today's presidents (compare)

On a production possibility curve, data points that fall outside of the curve represent what