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Geologists have divided the history of the earth into four different eras. Which era below is not one of the four?

a) Mesozoic Era
b) Cenozoic Era
c) Precambrian Era
d) Stone Era
e) Paleozoic Era

Just need to know if my answer or right or wrong. Thanks! :)


  • science -

    I don't think c) is correct.

    d) is more likely. It refers to the a shorter period of human development, usually called The Stone Age

  • science -

    alright thanks drwls

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