Which of the following is not essential for photosynthesis?
Correct answer: A. Oxygen
- A. Oxygen
- B. Chlorophyll
- C. ATP
- D. Light
Explanation
Oxygen is a chemical element (symbol O) essential for life on Earth. It is a colorless, odorless gas that makes up about 21% of the Earth's atmosphere. Oxygen is crucial for cellular respiration in most organisms, allowing them to produce energy by converting glucose and other nutrients. It also plays a key role in combustion and is involved in various chemical reactions.
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