1. geometria   geology   geometry   trigonometry   geography   Hint Half-n-half Clue   2. física   trigonometry   geography   geology   physics   Half-n-half Clue   3. história   history   astronomy   botany   geology   Half-n-half Clue   4. psicologia   zoology   calculus   botany   psychology   Half-n-half Clue   5. filosofia   zoology   philosophy   physics   trigonometry   Half-n-half Clue   6. química   geography   psychology   chemistry   physics   Half-n-half Clue   7. trigonometria   trigonometry   zoology   philosophy   physics   Half-n-half Clue