Answer: Option (B)
Step-by-step explanation:
Geology is the study of all the earth dynamic processes, about the various types of rocks, its physical and chemical properties, about the ancient lives, and covers many more topics.
Whereas, Oceanography refers to the study of the marine ecosystem, its biological properties as well as its physical and chemical properties.
This two fields of science namely geology and oceanography is required to study about the deep sea vent structures as well as the life forms that exists around them.
Deep sea vents are the cracks and openings found underwater from which the hot water comes out in association with numerous gases.
Thus, the correct answer is option (B).