Which of the following organisms releases molecular oxygen into water?
Correct answer: B. Phytoplankton
- A. E.coli
- B. Phytoplankton
- C. Amoeba
- D. Salmonella
Explanation
Phytoplankton carry out photosynthesis in water, using light and carbon dioxide to produce food and release molecular oxygen. The other listed organisms do not normally oxygenate water through photosynthesis.
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