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Searching Rudolf Steiner Lectures by GA number (GA0323)
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    Query was: oxygen
  

Here are the matching lines in their respective documents. Select one of the highlighted words in the matching lines below to jump to that point in the document.

  • Title: Astronomy Course: Lecture I
    Matching lines:
    • way as before. If oxygen, nitrogen or carbon are contained in
  • Title: Astronomy Course: Lecture XII
    Matching lines:
    • and the characteristic use that is made of oxygen. I may
    • truly. You cannot simply say, the animal breathes-in oxygen
    • while the plant breathes oxygen out and carbon in. It is not
    • to oxygen and carbon. The easiest way to put it is perhaps to
    • say: What happens in the animal, in that the oxygen becomes
    • From the animal the carbon has to be taken away by the oxygen



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