Complex sentence: The Monterey Bay Aquarium maintains a close relationship with the Monterey Bay Aquarium Research Institute (MBARI), located in Moss Landing, California, at the head of the submarine Monterey Canyon.
Split into simpler sentences: The Monterey Bay Aquarium maintains a close relationship with the Monterey Bay Aquarium Research Institute (MBARI). MBARI is located in Moss Landing, California, at the head of the submarine Monterey Canyon.