Question: Does Chlorophyll work best with the light color of clear cloudless day-time sky?, Answer:Yes, Description of Chlorophyll: group of chemical compounds, Fact1: Chlorophyll absorbs light most strongly in the blue., Fact2: A clear cloudless day-time sky is blue. 
Step1: Which portion of the electromagnetic spectrum does chlorophyll absorb light most strongly in?, Step2: What is the color of a clear cloudless day-time sky?, Step3: Is #1 the same as #2?, Wikipedia page for step 1: Chlorophyll, Wikipedia page for step 2: , Wikipedia page for step 3: , not_definitive_answer: False, incorrect_answer: False