1. geometria   geometry   algebra   physics   chemistry   Hint Half-n-half Clue   2. botânica   chemistry   history   botany   biology   Half-n-half Clue   3. psicologia   physics   psychology   trigonometry   biology   Half-n-half Clue   4. zoologia   physics   astronomy   philosophy   zoology   Half-n-half Clue   5. álgebra   physics   trigonometry   algebra   geology   Half-n-half Clue   6. astronomia   astronomy   trigonometry   chemistry   botany   Half-n-half Clue   7. geologia   philosophy   zoology   history   geology   Half-n-half Clue