Combining Texts

You have chosen 'From an Ontological Point of View' by John Heil, 'The Meditations (To Himself)' by Marcus Aurelius and 'The Periodic Table' by Eric R. Scerri

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All the ideas for Science, or select a subheading:
      A. Basis of Science
      B. Scientific Theories
      C. Induction
      D. Explanation