An astronomer's work should explain past astronomical observations as well as a. verify hypotheses. b. predict future observations. c. describe the past. d. perform calculus upon observations.

Weathering is a ___ force since it naturally breaks rock down into sediment A) chemical B) destruction C) mechanical D) construction

What type of natural disaster is a direct result of tectonic activity? a. hurricanes b. tropical storms c. volcanic eruptions d. tornadoes

Explain theories that support the origin of the earth

Hat role did the Dust Bowl play in the history of soil conservation? It led farmers to make voluntary efforts to conserve soil. It disproved the idea that irrigation was unnecessary.

A swing state is a state with a difference in support of 3% or less between the two parties. According to this definition, which state below is a swing state? A. Ohio B. Idaho C. New York D. Oklahoma

What role did geography play in the early African kingdoms? Volcanic eruptions scared away attackers. Mineral deposits brought wealth and power. The Great Rift separated them from the continent. Tropical storms extended the growing season.

AP Human Geography. Explain how economic forces influence agricultural practices.

What affect does plate tectonics have on organic revolution

Once the ocean forms in the rift valley, the split continent represents how many lithospheric plates?

Sheep were used by the early colonists mainly for their: a. meat c. wool b. milk d. skin