which of the following are ethical standards

(a) guidelines that control behaviors within a group or organization
(b) rules of a particular place that govern actions and are enforced by penalties
(c) instructions that ensure the safety of other within a particular location
(d) principles that promote good behavior, fairness, and kindness

The ethical standards mentioned in the options are:

(a) guidelines that control behaviors within a group or organization
(d) principles that promote good behavior, fairness, and kindness