Because China was susceptible to frequent earthquakes, they invented a seismograph under the Han Dynasty that used which of these mechanisms? (Image, p. 185)
A) a suspended weight that moves a lever that drops balls into a frog's mouth
B) a magnetic arm moves a writing instrument across a piece of parchment
C) specially colored wooden dragons that float in a vat of colored water
D) two chemicals separated inside an urn that when shaken produced a distinct glow
Correct Answer:
Verified
Q1: The Ancient Roman and Han Chinese Empires
Q2: Which among the following was not a
Q3: During the so-called Six Dynasties era,
A) China
Q5: The novel Journey to the West based
Q6: Buddhism contributed to
A) societal disruption and political
Q7: Discuss the similarities and differences between the
Q8: What was the dynastic cycle in China?
Q9: Who were the four major contenders for
Q10: Why did the Later Han Dynasty succeed
Q11: After the collapse of the Later Han
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents