What are the two main forces that cause surface changes on earth?

a. erosion and plate tectonics

b. chemical and physical weathering

c. weathering and erosion

d. plate tectonics and weathering

What might be an example of ethnic, or racial, differences resulting in conflict? A. the Parsley Massacre B. the Columbian Exchange C. the development of salsa and mambo D. the influx of European immigrants to South America

What chain of islands is southeast of the virgin islands?

If you wanted to visit an area with very little wind, where might you go? A) The jet stream in the northern hemisphere B) The area around the Mediterranean Sea C) The north or south pole D) The doldrums around the equator

Which Region of the United States was settled last? A. Southwest B. Northeast C. Midwest D. South

During the 1930s japan's military leaders encouraged people to believe that japans mission was to

Bilazora was the ancient seat of:

Explain the general process of chemical weathering.

Suppose the planet Uranus were much brighter in the sky, so that it was as easily visible to the naked eye as Jupiter or Saturn.

The west coast of South America, where many earthquakes occur, is which type of plate boundary?

Soil color only reflects the amount of organic matter present in soil.