Each of the three population pyramids (above) are census tracts from St. Louis County in northern Minnesota, that stretches from Duluth to Canada. The population pyramid on the left most likely represents
A) a rural population with high out-migration after high school.
B) an urban population with a high number of immigrant workers.
C) the part of the county with the University of Minnesota-Duluth in it.
D) a retirement community on the border with Canada.
E) The median census tract, where all the women are strong, the men are good-looking, and the children are above average.
Answer: A
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