Once each week a student gives a potted plant 100 mL of water. This is the only time the plant is watered and no additional fertilizer is added to the pot. The plant is kept at a constant temperature and receives the same amount of light exposure each day. After watering the plant, the student places the plant, still in its pot, on a balance and records the measurement.



Which question was the student MOST LIKELY trying to answer with the data collected by this procedure?



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