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