Why is blue light important in photosynthetic processes, and why is it not considered an absorbance?

• A. Blue light is absorbed by carotenoids and is considered an absorbance.
• B. Blue light is important for photosynthesis but is not considered an absorbance because it is a type of light, not a specific wavelength absorbed.
• C. Blue light is absorbed by flavonoids and is considered an absorbance.
• D. Blue light is absorbed by chlorophyll and is considered an absorbance.

Answer: (B)