What is the maintenance of a consistent internal environment (i. e., water and nutrient balance) for cells?

Exactly what he said he smart

Dis correct. the rest of the answers are definitely wrong.without the basic needs like food, shelter and love , one will remain trapped in trying to fulfil these needs first which means putting food on the table and struggling to pay bills. it is impossible to achieve self actualization when without the basic needs which is the base.

Good samaritan law protects civilians when they render aid to someone in need. 

Answer charlie should immediately start an exercise and diet program because all his test indicate that he is extremely obese;