Multiple Choice
Plants never use 100% of the incoming solar radiation for photosynthesis on a yearly basis.What is a reasonable explanation for this?
A) Plants cannot photosynthesize during winter (in cold winter climates) .
B) Plants cannot photosynthesize during dry periods.
C) The pigments that drive photosynthesis respond to only a fraction of the wavelengths available.
D) Both A and C
E) Both B and C
Correct Answer:
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