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Photosynthesis & Respiration: the misconceptions that cost marks

2 wrong ideas students commonly carry in Photosynthesis & Respiration. Each page has a one-question check and a careful explanation of what's actually true.

• Do plants respire, or do they only photosynthesise?Myth: Plants photosynthesise instead of respiring.
• Where does the oxygen released in photosynthesis come from?Myth: The oxygen released in photosynthesis comes from CO₂.

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