Which scientist was especially famous for his nineteen-volume work that explained how earth's physical structure influenced human activities?

A. Carl Ritter

B. Carl Sauer

C. Alexander Von Humboldt

D. Alfred Kroeber

What caused Clovis to convert to Christianity?

Which volcanoes are located along colliding plates?

Dark spots on the photosphere are known as

What are the causes of environmental problems in Sub-Saharan Africa? decreased population deforestation development increased population organic farming tourism

The transfer of heat energy by the circulation of warm air is called A thermal convection. B thermal conduction. C cyclonic conduction. D atmospheric conduction.

According to Alonso, Mexican nationalist ideology completely ignores the contributions of which group that was part of colonial Mexican society? A) European whitesB) African slavesC) CreolesD) conquered indigenous peoples

Planets travel at a constant rate around the Sun. a. True b. False

Why do the North and South pole experience seasons differently than the rest of the planet? Why do they have periods of continuous daylight or continuous darkness?

According to the International Astronomical Union, which of the following is one of the criteria for an object to classified as a Planet? Select all that apply.

What physical features are the five largest cities in the u. S. Near?