1. botanica   botany   geometry   geography   chemistry   Hint Half-n-half Clue   2. trigonometria   history   trigonometry   physics   chemistry   Half-n-half Clue   3. biologia   psychology   geometry   geography   biology   Half-n-half Clue   4. filosofia   philosophy   geometry   astronomy   chemistry   Half-n-half Clue   5. psicologia   algebra   zoology   botany   psychology   Half-n-half Clue   6. calcolo   calculus   philosophy   zoology   geography   Half-n-half Clue   7. geologia   geometry   chemistry   history   geology   Half-n-half Clue