If you could expose plants to just one wavelength of light at a time, would a wavelength of 300 nm, 450 nm, or 600 nm produce the highest photosynthetic rate?

The studies have shown that exposing plants to blue light has the highest photosynthetic rate because chlorophyll absorbs blue light the best.. Blue light is between 490–450 nm so the correct answer is 450 nm.

Explanation:

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