Created by StemPy LabA student places a water plant under water in bright light and sees bubbles rise from the leaves. She then covers the jar with a black cloth, and the bubbles stop. Which statement matches the result?
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← A mint plant was kept with a candle in a closed jar. After some days the candle could burn again in the jar, which it could not do before the plant was put in. What does this show?Bacteria that need oxygen were placed around a green filament that lay across a spectrum made by a prism. In which part did most of the bacteria gather? →
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