The graph above shows the height of the tide, in feet, above or below a baseline. Which of the following is closest to the difference, in feet, between the heights of the highest and lowest tides on October 15 at Bay Cove?
A. 1.6
B. 1.5
C. 1.9
D. 1.8
E. 2.1
A. 1.6
B. 1.5
C. 1.9
D. 1.8
E. 2.1
