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Tracking Changes in Photoperiod Around the Globe
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![]() Challenge Question #2Gary G Vanantwerp (gvanant@uxa.ecn.bgu.edu)Tue, 18 Mar 1997 22:50:33 -0600 (CST)
it, right in the middle. I came to this conclusion because on my graph all of the mystery classes are coming to a point where they will soon intersect. Also, on Thursday the seasons change which cause virtually the same photoperiod worldwide.
Travis Matthews
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