The absorption spectrum for chlorophylls a and b are shown by the graph. These are two pigments found in plants and green algae that are the main pigments of photosynthesis.

At which wavelength of light would photosynthesis be at its lowest?The absorption spectrum for chlorophylls a and b are shown by the graph. These are two pigments found in plants and green algae that are the main pigments of photosynthesis.

At which wavelength of light would photosynthesis be at its lowest?

A.) 450 nm

B.) 550 nm

C.) 650 nm

D.) 400 nm