Economics, civics, constitutional law, Supreme Court cases, AP Economics teaching resources, and classroom lessons by a retired social studies teacher.
Tuesday, July 24, 2012
Nice graphic showing drought conditions each year in the US since 1899. Is there a pattern??
Each line of maps represents a decade of drought conditions in the US. Can you see a pattern of worsening conditions over time? Or is it inconsistent enough to not be able to draw any conclusions?
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