1. geometria   zoology   geometry   chemistry   biology   Hint Half-n-half Clue   2. astronomia   astronomy   philosophy   geography   algebra   Half-n-half Clue   3. zoologia   chemistry   astronomy   zoology   physics   Half-n-half Clue   4. filosofia   geography   philosophy   biology   chemistry   Half-n-half Clue   5. física   biology   geography   trigonometry   physics   Half-n-half Clue   6. psicologia   psychology   algebra   philosophy   chemistry   Half-n-half Clue   7. cálculo   calculus   geometry   botany   geography   Half-n-half Clue