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Geo 411 Chapter 2 Exam Questions With Accurate Solutions Scored A+
How can we know that the Earth has a layered internal structure, based on the average density (grams/cubic cm) of rocks at its surface? - CORRECT ANSWER-Rocks at the surface are less dense than the earth as a whole, tells you there must be something more dense below 
 
What is the composition of the Earth's outer core? - CORRECT ANSWER-Liquid iron 
 
What is the "lithosphere?" - CORRECT ANSWER-- outermost crust of the rocky planet 
- crust/upper mantle 
- flexible (tectonic plates) 
 
What is...