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13 February, 12:03

Practice

What percent of the Cenozoic era is repre-

sented by the Neogene period, which lasted

from 23 mya to 2.6 mya? [Hint: Subtract to find

the length of the Neogene period.]

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Answers (1)
  1. 13 February, 15:02
    0
    Neogene period is almost 31% of Cenozoic area.

    Explanation:

    Cenozoic era exists between 66 mya and zero mya. However, Neogene period existed between 23 mya to 2.6 mya. The difference is 20.4 mya.

    To calculate the percent of neogene,

    = (20.4/66) x 100

    = 30.9%

    Therefore, Neogene was approximately 31% of total Cenozoic era.
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