A to b B to 1 because 1 you CANT control 2 you CAN
A goal of a common community health program is to spread awareness of health benefits and a healthy lifestyle. one example of this would be the YMCA, as they promote healthy eating, workouts, and anything of the like.
The answer is a because when your liver isn't working well enough to perform its functions (for example, manufacturing bile and ridding the body of harmful substances).
The answer is evolutionary!
I hope I was able to help. :)