Describe how the ancient people follow some natural event to measure time

Question

Describe how the ancient people follow some natural event to measure time

in progress 0
Khánh Gia 6 months 2021-07-13T20:20:46+00:00 2 Answers 0 views 0

Answers ( )

  1. danthu
    0
    2021-07-13T20:21:59+00:00
    Reply

    5 Tools We Use to Measure Time
    Sundials.
    Water Clocks. – A water clock uses the flow of water to measure time
    Mechanical Clocks.- clock are wound with a key, and this tightens the mainspring.
    Quartz Clocks- Inside a quartz clock or watch, the battery sends electricity to the quartz crystal through an electronic circuit.
    Atomic Clocks.- a clock device that uses a hyperfine transition frequency in the microwave

  2. Euphemia
    0
    2021-07-13T20:22:38+00:00
    Reply

    Answer: they used seasonal wind, temperature changes, they also used the flooding of rivers. all these are used to tell time

    Explanation: the seasons change the climate of the area

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )