Can be defined as a set of acceptable conduct and moral judgments. a. morals b. rules c. ethics d. legislation

The right answer is C. Ethics. Ethics is the study of human behavior that is socially and culturally considered correct and brings together concepts such as moral and duty. It is considered that someone is ethically professional or socially when their behavior is consistent with what is considered good in society and when their actions are moral. What is ethical and not ethical is marked by the society and culture in which we live, therefore it differs according to the context.

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I believe the answer is: Ethics

While morals, rules, and legislations are usually expected to be followed by all members in a certain social group, Ethics usually only expected to be followed by a single individual or a single profession.
But even though they are different, morals, rules, and legislation would influence the formation of ethical standard