1. zoologia   astronomy   geometry   zoology   botany   Hint Half-n-half Clue   2. física   calculus   psychology   physics   trigonometry   Half-n-half Clue   3. álgebra   geology   algebra   calculus   astronomy   Half-n-half Clue   4. astronomia   astronomy   physics   biology   botany   Half-n-half Clue   5. trigonometria   astronomy   algebra   calculus   trigonometry   Half-n-half Clue   6. história   history   geography   philosophy   psychology   Half-n-half Clue   7. geologia   history   zoology   geology   botany   Half-n-half Clue