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17 September, 18:16

What is greater eras or periods

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Answers (2)
  1. 17 September, 19:13
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    The period is the basic unit of geological time in which a single type of rock system is formed ... Two or more Eras form an Eon, the largest division of geologic time.
  2. 17 September, 22:06
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    Both eras and periods are greater, but an era is more than 1 year
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