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Physics 17 Online
OpenStudy (anonymous):

Which of the following types of earthquakes can be caused by human activities? A. Explosion earthquakes B. Tectonic earthquakes C. Volcanic earthquakes D. None of the above Which of the following is an example of a surface wave? A. Primary wave B. Secondary wave C. Rayleigh wave D. Tertiary wave

OpenStudy (anonymous):

I think A. Explosion earthquakes and B. Secondary wave

OpenStudy (anonymous):

thanks

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