Answer:
a
Explanation:
Thinking along the lines of a SMART goal, they must be specific, measurable, attainable, realistic, and time oriented.
The goal is specific and measurable (improve 20%), as well as attainable and realistic (if the goal was 70% or 100% it would not be attainable or realistic).
Depending on what physical activity you are doing, how intense it is, and how long you are doing it.
it will probably influence your diet by making you feel more healthy
Only for a few minutes until they can get oxygen on them
The second point seems intuitive but there is a surprising lack of evidence showing that the increase in muscle size contributes to an increase in voluntary strength. If individuals increased both muscle size and strength, the conclusion is often that muscle growth played a role.
