Biology for IGCSE & O level - Plant Nutrition (Section 6 - No. 12)
How does the distance of a light source affect the rate of photosynthesis?
The further the source, the higher the rate
The closer the source, the higher the rate
The distance does not affect the rate
The rate increases up to a certain distance and then decreases
Explanation
The intensity of light decreases with distance, affecting the rate of photosynthesis.
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