Respuesta :
The correct answer would be option D, Muscular Strength.
Muscular Strength is the area of health related fitness, Demitri is lacking a sufficient level of, in order to be able to participate in the activity.
Explanation:
A muscular strength is basically a force, that a muscle of a person produces with a single maximal effort. The higher the strength level, the more force a muscle can produce.
A muscle can gain strength if it is used frequently with a gradual increase in the amount of force it should apply to gain this strength.
When Demitri was soon unable to lift the canoe up with his cousin, it means he has a low muscular strength which could not exert force for a longer period of time. If he had more muscular strength, he could have lifted canoe with a single maximal force for a longer period of time.
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