Which statement about surface currents is NOT true?

A.

They can form gyres.

B.

They transport heat across Earth's surface.

C.

They are caused by wind and Earth's rotation.

D.

They are driven by density differences in the water.

Explain the process of state building and decline in eurasia over time

Which of the following is a major physical feature in North America? a. Mississippi River c. Great Lakes b. Rocky Mountains d. All of the above

The major force bringing continental sediments to the open ocean is (are) (a) glaciers (b) neritic currents (c) rivers (d) turbidity currents (e) wind

Where this relationship can be found in world Africa Desert

boundary or belt characterized by variable winds and stormy, cloudy weather year round occurs in which of the following regions? Equatorial (0 to 5 degrees) 5 to 30 degrees 30 degrees 30 to 60 degrees 60 degrees 60 to 90 degrees Poles (90 degrees)

Dams are often built to generate power. One negative impact of damming a river is reduced flow downstream water storage to battle a drought increased recreation opportunities flood control

What three cities form the global centers of economic activity?

Describe and explain the physical and/or chemical methods used to refine the coal

Explain the characteristics of authoritarianism, and identify two Central Asian countries that have this type of government

Why are the rivers so vital to europe's economy?