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Mathematics 7 Online
OpenStudy (anonymous):

earthquakes generate primary waves (p-waves) and secondary waves (s-waves). Compared to the speed of secondary waves in a given earth material, the speed of primary waves it (1) always slower (2)always faster (3)always the same (4) sometimes faster and sometimes slower

OpenStudy (anonymous):

Not a math question.

OpenStudy (anonymous):

also not enough information

OpenStudy (anonymous):

sorry i just started this

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