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If Earthquake X measured 1 and Earthquake Y measured 3 on the Richter scale, then

A. Earthquake Y had three times the ground motion of Earthquake X.

B. Earthquake Y had ten times the ground motion of Earthquake X.

C. Earthquake Y had 100 times the ground motion of Earthquake X.

D. None of the above

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Parrain

Answer: C. Earthquake Y had 100 times the ground motion of Earthquake X.

Explanation:

The Richter Scale is used to measure the intensity of earthquakes by comparing them to each other. There are 10 levels to the Richter Scale and each level is 10 times more intense than the last level.

If earthquake X measured 1 on the scale and earthquake Y measured 3, then Y was (10 * 10) times the intensity of X thereby placing Y at 100 times the intensity and ground motion of earthquake X.