1. geology   Psychologie   Trigonometrie   Geologie   Botanik   Hint Half-n-half Clue   2. psychology   Geschichte   Philosophie   Geometrie   Psychologie   Half-n-half Clue   3. trigonometry   Trigonometrie   Astronomie   Geologie   Geschichte   Half-n-half Clue   4. chemistry   Infinitesmalrechnung   Chemie   Psychologie   Biologie   Half-n-half Clue   5. geography   Geologie   Infinitesmalrechnung   Erdkunde   Psychologie   Half-n-half Clue   6. philosophy   Geschichte   Philosophie   Geometrie   Physik   Half-n-half Clue   7. biology   Trigonometrie   Geschichte   Biologie   Geologie   Half-n-half Clue