In philosophy the study of ethics is A study of human knowledge
The theoretical study of morality (likened to a theoretical study
of physics)
The theoretical study of the soul
A study of language and its usefulness
None of the above

The theoretical study of morality (likened to a theoretical study of physics)

Explanation:

Ethics is set of moral standards that people use to govern their behavior. Ethics are influenced by the culture & Life experience that a person learn throughout his/her life. Because of this, ethical standards that is held by one person could be extremely different compared to the standards held by another person.

Research about ethics is a bit complicated. Unlike STEM subjects, Ethics do not have anything that researchers can use as objective & Countable variables. This is why studies about ethics are mostly considered as theoretical.

if you tell me the video, i may be able to answer your question.

uhh idk for sure but i think it makes it difficult to pump the oil through the oil rigs