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Dec 3, 2017 at 4:16 comment added jamesqf Continuing with evolution not picking the best solution, you might note that chlorophyll is not very efficient at converting sunlight to biomass: around 3-6% per Wikipedia. (While photovoltaics can do 20-45%.) But that's enough to let plants survive and prosper.
Dec 2, 2017 at 18:52 history edited DJKnarnia CC BY-SA 3.0
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Dec 2, 2017 at 18:43 history answered DJKnarnia CC BY-SA 3.0