Answer:
While visiting an exhibit on seventeenth-century life, Rachel noticed that the adult clothing and shoes seemed to be quite small. The curator explained that current generations are taller than past generations, a phenomenon known as _____.
(A) the secular trend
(B) obesity
(C) genetic predisposition
(D) more exercise
Step-by-step explanation:
The Secular tendency is a general, regular and persistent movement of a variable over a long period of time, which discards the ups and downs of cyclical fluctuations and the periodicity of seasonal variations. In this sense it is understood to represent the broad general character that the series points out during that period.
The answer is: (A) the secular tendency.