154934345 154934345

04-06-2021
History

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The prosperity of the Han dynasty allowed
many achievements to be made, including
the invention of a tool to detect earthquakes,
called the

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bangtanot7 bangtanot7

04-06-2021

Answer:

seismograph

Explanation:

The first seismograph was invented in 132 A.D. by the Chinese astronomer and mathematician Chang Heng.

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