Seudónimo Seudónimo
  • 12-11-2020
  • Social Studies
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What is the geologic time scale or timeline? Name the Period when there was a spread of grassy ecosystems. How many mass extinctions are shown on the Geologic Time Scale?

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Аноним Аноним
  • 12-11-2020

Answer:

It ended during the Mesozoic era.

study information related to the Cenozoic era

Explanation:

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