The answer is the third one! i learned it in class
Explanation:
Personal values refers to a person's sense of morality; usually in terms of their behavioural characteristics, and this values acts as guiding principles in the person's lives.
For example, a person who has a high regard for life may avoid smoking tobacco, and this same individual may tend to dispose waste materials properly.
It is carbohydrate it is just an abbreviation
I'm not quite sure about that sorry...