Which of the following would NOT be considered an example of an external situation that changes the earth's surface?

A. rock weathering

B. wind erosion

C. volcano eruption

D. water erosion

Which of the Earth's spheres is made up of the Earth's crust and the land on its surface? A. the atmosphere B. the hydrosphere C. the lithosphere D. the biosphere

The russian plain is the largest mountain-free area of russia true or false?

At least 80 percent of ocean water is included in the A. transition zone. B. thermocline. C. surface mixed zone. D. deep zone.

Questions: Why is it Winter in one area and Summer in another? What direction the Big Dipper faces in which season?

When does it make sense to use similar triangles to measure the height and length of objects in real life?

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?