A.) a diver descends 12 feet below sea level. she then ascends 4 feet. state the depth of the diver in terms of sea level. explain how the depth was determined. b.) suppose the diver now descends an additional 12 feet. state the new depth of the diver in terms of sea level. explain how this depth was determined. c. ) explain how the diver will reach sea level from the position found in part b. 22 -22 8 -8 -20 20 -4 4 swim up 4 feet swim up 20 feet swim up 8 feet swim up 20 feet answer for part a: answer for part b: answer to part c: