Question

how fair was van helmonts experiment?explain your answer.​

Answer 1

Answer:

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The prevailing theory at the time was that plants grew by eating soil, and van Helmont devised a clever investigation to test this idea. He weighed a willow tree and weighed dry soil. ... He dried the soil and weighed it, showing that the soil was almost the same mass. He concluded that the tree grew by drinking water.

Answer 2

Answer:

Van Helmont believed that everything in the universe was made from water and soil. For proving this, he used a willow tree. Only he used water on it for 5 years. For this reason, the tree was increased by 73kg and the soil was decreased by 60 grams. he proved that the tree was increased for using water and soil.