How did philosophers of the middle ages study nature? answers?

Match the people with the descriptions.

In the years after world war ii, which of the following caused many people from asian and african countries to migrate to europe? a. the end of the soviet union b. new economic opportunities after colonialism ended c. the religious freedom found in europe d. new laws allowing greater numbers of immigrants into european countries

Which features are created on the exterior of a volcano when it erupts? check all that apply. vent crater hot spot lava flow boundary