Questions:
- What is plate tectonic theory? (book)
 - How do you think plate tectonics relates to mountain formation? (brain)
 - What is the mechanical layer of Earth that contains the tectonic plates?
 
| Answer Choices for number 3: | 
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- Summarize what you have learned so far about the Earth's surface changing.
 - What do you think is the most important point to remember?