Which of the following serve as natural boundaries between states and countries?

A. Lakes and Rivers

B. Mountains

C. Neither A nor B

D. Both A and B

What cause the shaking that is associated with earthquakes A elastic rebound B deformation C epicenter

Which of the following is an example of extrusive rock that has cooled too quickly for grains to form? a. Volcanic glass b. Basaltic rock c. Granitic rock d. All of the above

Upwellings bring what to the surface of the ocean

Tidees keeps the river mouth free of what

Which plain is completely located in Canada? A. Great Plain B. Baffin Island C. Canadian Shield D. Coastal Plains only ONE answer is correct!

Approximately how much more energy is released in a 6.5 richter magnitude earthquake than in one with magnitude 5.5?

Because of years of war, educational opportunities were limited in Afghanistan. The Masrours moved to India so their children would receive a better education. Select the concept that is described by the paragraph above.

What is the specific location of cyprus

Good explanation of what an earthquake is

Most central american volcanoes are located along a stretch known as the ring of fire. a. True b. False