I believe the answer is A. Self-Actualized
Self-actualization is the highest level of The hierarchy of needs. This level could only be achieved by someone after experiencing hardship and personal discovery to achieve true potential. This often caused that person to obtain a new mission to contribute one's life for greater goods, such as building schools for poor children
Proteins are digested in the stomach and small intestine. Protease enzymes break down proteins into amino acids. Digestion of proteins in the stomach is helped by stomach acid, which is strong hydrochloric acid. This also kills harmful microorganisms that may be in the food.
50 or more. That also really depends on your frailness and size.