Searching Rudolf Steiner Lectures by GA number (GA0323)
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- Title: Astronomy Course: Lecture I
- way as before. If oxygen, nitrogen or carbon are contained in
- the cells, the carbon, for instance, does not have the effect
- influence is exerted not so much by the carbon, but by the
- carbon, having incorporated a certain amount of it into
- Title: Astronomy Course: Lecture XII
- different relation of the plant and of the animal to carbon,
- 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
- bound to carbon and the carbonic acid is expelled, is for the
- From the animal the carbon has to be taken away by the oxygen
- in the carbonic acid. Turn it precisely the other way round,
- Title: Astronomy Course: Lecture XVII
- in the organic deposition of carbon, is so to speak
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