Which of the following best describes how historians use time periods? a. to classify origins of species b. to organize time since the earth began c. to break up time to make it easier to study d. to categorize human history according to social or political themes select the best answer from the choices provided a b c d

C

Explanation:

c. to break up time to make it easier to study" is the best example of how historians use time periods, although they are also used to separate cultural shifts.

c

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