Answer: The Southern Ocean
Explanation: The Southern Ocean, also known as the Antarctic Ocean, comprises the southernmost waters of the World Ocean, generally taken to be south of 60° S latitude and encircling Antarctica.
The behavioural approach to political science mainly emphasizes on scientific, objective and value free study of political phenomenon. This approach stresses upon the use of empirical as well as scientific methods of study political behavior.
I think D. but im not absolutely positive.