Amoebas move using pseudopods (false feet), so the answer is D
Http://www.geo.mtu.edu/UPSeis/locating.html
The distance between the beginning of the first P wave and the first S wave tells you how many seconds the waves are apart. This number will be used to tell you how far your seismographs from the epicenter of the earthquake. Measure the distance between the first P wave and the<span> first S wave.
Your welcome :)
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