Asked by Mr.Au-Yeung from hong kong sar | Dec. 28, 2008 03:59
About:Western Han
what is a seismograph?
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Answered by Ms.Rosalyn | Jan. 06, 2009 23:41
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It is something that records an earthquake and tells you the magnitude and epicenter.0
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Answered by Ms.Ollsen | Mar. 21, 2011 05:090
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By th eway invented in China but also in France. But China had it invented like 1000 yers ago. China has soooo many good/awsom inventions. Always research !0
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