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    • garyd24

      One could ask “Why is the sky blue?”
      The religious persons answer is “Because God made it so.” This hardly addresses the question, whereupon those in science know to be a result of chemistry and light refraction. How do we know this to be true? We study, test, study some more, do more tests. Each time gathering more information and evidence that is restudied and tested until it is nearly impossible to invalidate.