Question: Ellie ( 1 1 0 lbs ) , Sammy ( 1 4 0 lbs ) , and Bernie ( 1 7 0 lbs ) are

Ellie (110 lbs ), Sammy (140 lbs ), and Bernie (170 lbs) are all training together for a half-marathon. They are out on a training run, all going at the same speed and for the same distance. Will there be any difference in energy expenditure between Ellie, Sammy, and Bernie?
Ellie ( 1 1 0 lbs ) , Sammy ( 1 4 0 lbs ) , and

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