Back to front! The prefrontal cortex is the last to develop at around age 25.
We might conclude that Joe is more Muscular.
If we're talking about the amount of the hits , it simply come down to technique and concentration.
But if we're talking about distance ( especially if there is a huge difference) It's very likely that it because of the difference in strength. All professional baseball player have a solid upperbody and core strength
The answer is c more muscle mass
I think the correct answer would be second opinions. Insurance companies would recommend their members to go for second opinions so as to make sure the operation is worth it for them to spend less and wisely. Hope this answers the question.