ANSWER: Making choices and dealing with consequences
EXPLANATION: Opportunity Cost means the benefit or profit of something that must be given up in order to acquire something else. This means that it is the value or profit of the second best alternative thing available. This involves choosing from alternatives and then dealing with the results after choosing that option.
B. Must have an animal label animals do not have the same systems and capacities that humans do this could be fatal if there is not an animal label on it.