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About Carbon, part-1: Difference between revisions
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(Created page with "thumb|Thumbnailed image]| Where does plant mass come from? The Soil? This is partly wrong, proven by the flemish scientist Jan Baptist van Helmont in t...") |
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Where does plant mass come from? The | Where does plant mass come from? The soil? | ||
This is partly wrong, proven by the flemish scientist Jan Baptist van Helmont in the seventeenth century. He grew a willow tree for over 5 years, and found that the weight of the soil which the tree had been grown in, had hardly changed.<br> | This is partly wrong, proven by the flemish scientist Jan Baptist van Helmont in the seventeenth century. He grew a willow tree for over 5 years, and found that the weight of the soil which the tree had been grown in, had hardly changed.<br> | ||