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Plant Matter from Air and Water Practice Test
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Q1
Van Helmont’s willow tree gained 164 lb, but the soil lost only 0.1 lb after 5 years of watering. This counters the idea that soil becomes most of the tree. Based on the evidence, what is the best conclusion about new plant mass?
Van Helmont’s willow tree gained 164 lb, but the soil lost only 0.1 lb after 5 years of watering. This counters the idea that soil becomes most of the tree. Based on the evidence, what is the best conclusion about new plant mass?