Created by StemPy LabBacteria 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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← A 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?Purple sulphur bacteria make food from carbon dioxide using hydrogen sulphide, and they give out sulphur but no oxygen. What does this suggest about the oxygen released by green plants? →
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