Which of the Following Statements Is an Example of a Secular

Multiple Choice

Which of the following statements is an example of a secular trend?

A) African-American children mature more quickly than their Euro-American peers.
B) Females generally reach puberty before their male peers.
C) The average child growing up in Kenya is several inches shorter than the average child growing up in North America.
D) Northern American adults are several inches taller than their same-sex great-grandparents were.