That is true not gaining enough exercise or using tobacco or things like that are bad
I will have to go with D because one pound is 3500 so if you reduce 3500 you can lose a pound
Assessment cycle. Observe, Calculate, Plan
The answer is C. Targeting a particular area for improvement
Specificity principle stated that whatever you do in the gym, should be relevant to your desired outcome
For example, if you are a rowing athlete, it should be best if you focus on upper body training more than lower body because you need your upper body strength more than you need the lower