There are __________ types of nutrients needed by plants besides light to carry out photosynthesis
Correct answer: B. Three
- A. Two
- B. Three
- C. Four
- D. Five
Explanation
In the usual school-level description, photosynthesis requires three materials besides light: water, carbon dioxide and chlorophyll, which absorbs light energy. Students may choose a by counting only the raw materials water and carbon dioxide, but this omits chlorophyll's essential role in capturing light.
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