The study of dendrochronology allows scientists to attempt to correlate environmental influences with the production of tree rings. Below is some data relating to the width of each ring in a sample oak tree. We will assume that one ring is produced each year. The rings are labeled #1-4, with the ring just below the bark representing the growth from 2012. Drawing a diagram or chart may help you to visualize the position of these rings. #1 = 2.7 mm #2 = 1.03 mm #3 = 3.8 mm #4 = 1.88 mm In one of these years, there was a drought. Which year does it appear to be?

Question

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The drought year appears to be 2011, as the ring produced that year (#2) is the narrowest.

The Study of Dendrochronology Allows Scientists to Attempt to Correlate