1. filosofia   philosophy   geology   trigonometry   geography   Hint Half-n-half Clue   2. psicologia   algebra   calculus   psychology   geology   Half-n-half Clue   3. calcolo   botany   philosophy   calculus   geography   Half-n-half Clue   4. geografia   geography   biology   philosophy   algebra   Half-n-half Clue   5. geologia   geography   algebra   geometry   geology   Half-n-half Clue   6. geometria   astronomy   geometry   calculus   geography   Half-n-half Clue   7. zoologia   geometry   zoology   philosophy   chemistry   Half-n-half Clue