Which of these statements is true, according to our current understanding of the fossil record?
a. Males have always been the dominant sex.
b. Females used to be the dominant sex.
c. Males and females used to be relatively egalitarian.
d. It is impossible to determine social dominance from the fossil record.
Answer: d
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All of the following are long-term challenges associated with high-yield marginal farmlands in the U.S. except:
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Answer the following statement true (T) or false (F)
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