Which conclusion is best supported by the data? The line graph shows the depth of the Mississippi
River from May 2007 through May 2015. It also shows
the depth at which the river floods. These data were
collected using a gauge that measures the height of
the water, or water depth.
O The Mississippi River floods every year.
O The Mississippi River was deepest during 2009.
O The Mississippi River was shallowest during 2014,
O The Mississippi River's depth rises and falls in a
cycle over time
Water Depth of Mississippi River
May 2007-May 2015
Gauge height
Flood stage
Gauge Height (feet)
50-
45-
40-
35-
30-
25-
20-
15-
10-
5-
0
2007
2011
ε
2008
2009
2010
2012
2014
2015
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