1. biology   seibutsugakushya   kikagaku   sankakuhou   kagaku   Hint Half-n-half Clue   2. philosophy   tetsugaku   tenbungakushya   sankakuhou   butsurigaku   Half-n-half Clue   3. calculus   butsurigaku   shinrigaku   bisekibungaku   doubutsugaku   Half-n-half Clue   4. chemistry   doubutsugaku   kagaku   shyokubutsugaku   kikagaku   Half-n-half Clue   5. astronomy   tetsugaku   rekishika   kagaku   tenbungakushya   Half-n-half Clue   6. botany   bisekibungaku   doubutsugaku   shyokubutsugaku   shinrigaku   Half-n-half Clue   7. trigonometry   bisekibungaku   sankakuhou   shinrigaku   doubutsugaku   Half-n-half Clue