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Which of the following statements about the walls of The Grand Canyon is true?

_____ is the force per area while _____ the the deformation caused by ______

What is the source of the energy we obtain when we burn fossil fuels? (think about the whole process)

Oil is made from

Which of the following is a common hazard to a city when an earthquake occurs?

Describe why earthquakes happen when the plates only move a few centimeters each year.

What is the type of soil that is quite fertile, but has a high content of expanding clays?

Describe why you need at least 3 seismic stations to determine the location of an earthquake.

The central portion of a fold, where the primary bend is located, is called

Tell me how the direction of the vibrations compare to the direction of wave propogation in P-waves and S-waves.