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What tool has allowed scientists to learn about the characteristics of earths layers
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What tool has allowed scientists to learn about the characteristics of earths layers
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Jan 28, 2023
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What tool has allowed scientists to learn about the characteristics of earths layers
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a seismograph, they can detect very little movements in the ground. first idea of it created in 132 CE by Chang Heng. developed in 1890
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Feb 2, 2023
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