Your waste management system can be energy efficient through the reuse of the different energy sources that are present in the whole system. If these resources are then efficiently being used up in the whole waste management system, we can safely say that we have an energy efficient system.
Answer:
Your answer is carbon dioxide.
Hope this Helps :)
i believe the first answer would be right because of the movement.
<span>After he stopped his diet, Paul found that he gained back more weight than he lost. This is probably because he</span><span> stopped exercising or decreased his resting metabolic rate. </span>