Use the following to answer questions : Refer to the figure below. -According to the graph,what will happen to the rate of O₂ consumption in a person running at a speed of about 120 meters per minute who increases their speed to about 240 meters per minute? A) It will almost double. B) It will remain constant. C) It will almost be tripled. D) It will be decreased by about half. E) It will be decreased by about a third.

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According to the graph, the rate of O₂ consumption at 120 meters per minute is around 5 ml/min, and at 240 meters per minute, it is around 9 ml/min. Therefore, it almost doubles when the speed is increased.

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