Which of the following conclusions
cannot be drawn from the graphs?

• A.Ion is taken up more rapidly at suitable temperature
• B.Suitable oxygen concentration increases ion uptake
• C.Ion uptake requires energy from aerobic respiration of sugar
• D.Ion uptake occurs most rapidly in adequate supply of, respiratory substrate
• E.The quantity of ions absorbed is inversely proportional to the quantity of carbohydrate (sugar) synthesized.