Answer:
Over millions of years, ocean basins open and close, continents move and change shape, and mountains are pushed up and eroded away. Such dynamic processes continually reshape the surface of the Earth. The movement of rigid plates on the Earth's surface, known as plate tectonics, is the cause of these changes.
The idea of naming and dividing the global ocean is merely a formality used to help people better organize and understand Earth's major bodies of water. ... Dividing and naming Earth's ocean water is helpful in studying ocean characteristics to better understand the Earth.
Explanation: