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In order to assign a Richter magnitude to an earthquake event, a scientist would have to measure the _________ waves on a seismogram. a. secondary b. surface c. primary
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25 votes
In order to assign a Richter magnitude to an earthquake event, a scientist would have to measure the _________ waves on a seismogram.

a. secondary
b. surface
c. primary

User Umar Asghar
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1 Answer

4 votes
4 votes
Primary waves on a seismograph
User Prankster
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