To train the energy system use high-intensity activities with less than complete recovery. The energy system recommended that high- or maximal-intensity efforts lasting up to 10 seconds are followed by adequate rime to allow full replenishment of PC.
An energy system is a system majorly programmed to generate energy-services to its end-users. The purpose supporting energy systems is to reduce energy losses to a negligible level, as well as to ensure the proper utilization of energy.
Therefore, the correct answer is as given above
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