Answer:
Geological oceanography
Step-by-step explanation:
The geological oceanography refers to the study of the earth underneath the ocean. It includes the study of the topography of the ocean floor, structures that are present on the ocean floor, and all the geological processes that occur on the ocean floor. This helps in understanding the creation of earth and oceans and how these geological processes are responsible for the changes that occur and configures the ocean floor.
A person who studies geological oceanography is considered as a geological oceanographer.