What academic subset of oceanography studies seafloor features and the processes that form them?

A branch of oceanography called geological oceanography focuses on the formation of the seafloor and how it changes over time. Geological oceanographers are starting to use special GPS technology to map the seafloor and other underwater features.

Explanation:

there has only been 12 presidents. the 12th president is/was moon jae-in

"the attempts of the proletariat to rise above this abasement"