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Author Question: The crust and the underlying uppermost mantle make up the ____________________. Fill in the blank(s) ... (Read 76 times)

lbcchick

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The crust and the underlying uppermost mantle make up the ___________________ _.
 Fill in the blank(s) with correct word

Question 2

Briefly explain elastic rebound theory.



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cloud

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Answer to Question 1

lithosphere

Answer to Question 2

Elastic rebound theory explains how energy is released during earthquakes. For example, rocks on opposite sides of an active fault can store energy for long periods of time and begin to bend slightly. Eventually, the strength of the rocks will be exceeded and the rocks will fracture. After fracturing, the rocks on both sides of the fault rebound and snap back to their former undeformed shape. The energy stored was released as earthquake waves radiating outward from the break.





 

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