Complex sentence: This was followed by sinking of cars and monitoring the effects of sealife upon them, including a Mercedes that was toed out behind a boat prior to being sunk driven by diver and instructor Steven Hensaw.
Split into simpler sentences: This was followed by sinking of cars and monitoring the effects of sealife upon them. This included a Mercedes that was toed out behind a boat prior to being sunk driven by diver and instructor Steven Hensaw.