1. botany   geometriya   álgebra   fizika   botanika   Hint Half-n-half Clue   2. chemistry   geologiya   fizika   himiya   álgebra   Half-n-half Clue   3. zoology   zoológija   geografiya   ischisleniye   álgebra   Half-n-half Clue   4. astronomy   ischisleniye   himiya   geometriya   astronomiya   Half-n-half Clue   5. history   biologiya   trigonometriya   astronomiya   istórija   Half-n-half Clue   6. geography   geografiya   istórija   filosofiya   álgebra   Half-n-half Clue   7. philosophy   filosofiya   geometriya   botanika   geografiya   Half-n-half Clue