Answer:
Auto: self (autonomy, autocrat, automatic)
Bene: good (benefactor, benevolent, beneficial)
Carn: flesh (carnal, carnivorous, reincarnate)
Explanation: A root can be in any part of the word, beginning, middle and end. Prefixes, bases, and suffixes are all types of roots. Prefix- beginning, Base- middle and Suffix- end. Hope this helps!!