While visiting an exhibit on seventeenth-century life, Hannah noticed that the adult clothing and shoes seemed to be quite small. The curator explained that current generations are taller than past generations due to _____.

Question

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Secular trend refers to the long-term increase in body size that results from improved nutrition and health over successive generations. The smaller clothing and shoes from earlier generations suggest that people were smaller in the past, and the curator's explanation of the secular trend would account for this. The other choices (obesity, genetic predisposition, more exercise) do not fully explain why past generations were smaller than current ones.

While Visiting an Exhibit on Seventeenth-Century Life, Hannah Noticed That