A fault is a fracture in the earth’s outer shell, on either side of which rock mass moves _____.

Possible Answers:

  1. Horizontally
  2. Vertically
  3. Both horizontally and vertically
  4. Any of the above

The Correct Answer:

D. A fault is a fracture in the earth’s outer shell, on either side of which rock mass moves horizontally, vertically, and both horizontally and vertically.

Explanation:

The faults can be defined as a fracture in the earth’s outer shell on either side of which rock moves horizontally and vertically. 

Whenever a building stands on a fault line, there are very few chances of the building surviving an earthquake. 

This is one of the extreme impacts of the earthquake on the environment due to the power of seismic waves into motion and shaking of the Earth’s surface.

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    Seismic waves generally travel much shorter distances on the West Coast than on the East Coast because:

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