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Regarding photosynthesis facts, which combination is correct: are CO2/chlorophyll/sunlight all essential, is the rate maximum in red light and minimum in green light, and does rising O2 concentration decrease photosynthesis rate?

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1. Regarding photosynthesis facts, which combination is correct: are CO2/chlorophyll/sunlight all essential, is the rate maximum in red light and minimum in green light, and does rising O2 concentration decrease photosynthesis rate?

Only the oxygen-concentration statement

Only the essential-inputs statement

Only the red/green-light statement

All three statements together

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Regarding photosynthesis facts, which combination is correct: are CO2/chlorophyll/sunlight all essential, is the rate maximum in red light and minimum in green light, and does rising O2 concentration decrease photosynthesis rate?

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