In the 17th century, jan van helmont performed an experiment to determine how much of the mass gained by a plant came from soil. he grew a willow tree for five years, weighing the soil before and after. the soil lost 0.06 kg of mass, while the tree gained 74.53 kg. what inputs needed by plants were not accounted for in this experiment?
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In the 17th century, jan van helmont performed an experiment to determine how much of the mass gaine...
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