Marine geology is the study of the earth's geological features and processes that occur beneath or on the surface of the ocean floor. Other synonyms that describe this field of study include oceanography, marine geophysics, and marine environmental science. Oceanography focuses on the physical, chemical, and biological aspects of the ocean, including its currents, waves, tides, and marine life. Marine geophysics, on the other hand, deals with the structure and properties of the earth's crust beneath the ocean floor, while marine environmental science examines the interactions between the ocean and the environment, including climate change, pollution, and natural resource management. Despite their differences, all of these fields work together to help us better understand and protect the delicate balance of our oceans and the earth's ecosystems.