Physics
Physics, 04.08.2019 12:00, jaheimnorman590

Where does the engery of an earthquake originate

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Physics, 22.06.2019 06:00, tylorroundy
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Physics, 22.06.2019 16:00, meowmeowcow
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Physics, 22.06.2019 19:40, rileybaby34
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Physics, 22.06.2019 22:00, 727
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