The graph below shows the depth of water in a river over a period of 10 days. during what time span did the depth of the water remain the same, and what was the depth of the water. a. days 2 through 3; 7.5 feet b. days 1 through 2; 6.5 feet c. days 4 through 5; 7 feet*(my answer) d. days 3 through 4; 8.5 feet