The speed is called 'average kinetic velocity' and this velocity is further distribued by the Maxwell Boltzman speed distribution
Answer:
Overnutrition is food intake that is continuously in excess of dietary energy requirements
Undernutrition is inability to acquire enough food, defined as a level of food intake insufficient to meet dietary energy requirements.
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Oxygen
During aeroobic respiration oxigen reacts with sugar or glucose, producing carbon dioxide, water, and energy.
During anaerobic respiration when there is not enough oxygen, cells break down glucose into lactic acid and energy.