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 August 18 at Bay Cove?
A. 3
B. 1.7
C. 2
D. 2.1
E. 2.2
A. 3
B. 1.7
C. 2
D. 2.1
E. 2.2
