Please choose the correct ending to complete the given sentence: Scuba diving: Scuba divers swim through a cave area. A tropical beach is seen. Sea turtles graze and swim in the ocean. various fish

Ending1: swim in the ocean while other moves around the sea. Ending2: move along the ocean floor. Ending3: scale the reef. Ending4: are seen swimming through the reef.

Answer format: ending1/ending2/ending3/ending4