Answer:
Seismograph: Shows that earthquakes are not signs of heavens anger but natural events.
Water clock: Helped measure time accurately without the sun
Paper:Allowed the printing of buddhist prayers, Helped replace heavy writing surfaces such as stone or shells
Sundial: Helped measure time with the aid of the sun
Perpetual Calender: Helped track days, weeks, and months across a year made up of 365.5 days.
explanation: I took the quiz
