1. биология   zoology   calculus   biology   geography   Hint Half-n-half Clue   2. химия   chemistry   astronomy   algebra   philosophy   Half-n-half Clue   3. тригонометрия   geology   trigonometry   zoology   psychology   Half-n-half Clue   4. геометрия   biology   geology   astronomy   geometry   Half-n-half Clue   5. психология   geometry   history   physics   psychology   Half-n-half Clue   6. зоология   psychology   astronomy   zoology   chemistry   Half-n-half Clue   7. география   history   psychology   geography   algebra   Half-n-half Clue