After reading, studying, and discussing Chapter 7, you should be able to:

• List the evidence that was used to support the continental drift hypothesis.
• Describe the theory of plate tectonics.
• Explain the differences between the continental drift hypothesis and the theory of plate tectonics.
• List and describe the evidence used to support the plate tectonics theory.
• Explain the difference between divergent, convergent, and transform plate boundaries.
• Describe the models that have been proposed to explain the driving mechanism for plate motion.

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