Turbidity measurements were taken at different distances from the shore
of a lake.

Which best explains why the turbidity increases as water samples are taken closer to the
shore?
A. Shoreline erosion causes sediment to wash into the lake.
B. Sediment is carried from the middle of the lake to the shore by wind.
C. Swimmers stir up sediment by splashing in the water near the shore.
D. Fish stir up sediment while feeding on plants that grow close to the
shore.