If leah feels much better about herself once she starts exercising, this is an example of which exercise benefit? improved sleep habits
improved self confidence
improved balance
lower self-esteem

answer; more than 80% percent of adults;

well say a good goal is to do 150 sit ups in a week! or 90 pull ups a day. even 60 push ups in a month these are all fair goals!

answer 2 is the right one. jim should measure his snack to make sure he is using the right serving size.