Somone sections of ocean get more rain than others, the salinity is affected when the freshwater from rain adds to the sea water and dilutes it
Try playing a game with the dolphin and see how quickly the game stimulates the dolphins brain and see if the dolphin gets used to or gets the hang of that game... I mean isnt how all animals are taught? Lol
The clip that provides an example of a match cut is two cars one night. You are to compare between Death to the Tinman and Two Cars One Night. Between the two, only two cars and one night showed a sense of continuity between shots in terms of graphic content, eyelines and action of a match cut.