History Of Time-Measurement

Question 1 - 5

Write NO MORE THAN TWO WORDS for each answer.
History of time-measurement
Primitive measurements by observing

Two time keepers:

  • The 
  • Natural events, such as winds and rains, rivers flooding, plants flowering , and the cycles of breeding 32 behaviour.

Precise measurements

They became important for organising activities for:

  • 
  • 
The oldest time keepers were discovered in Mesopotamia and .

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