TabSubjectDifficultyStructuretpo4-1animal behaviorhellishparalleltpo8-1animal behaviornormaltpo7-3anthropologyeasytpo1-3archaeologynormaldichotomy/comparisontpo14-4archaeologynormalparalleltpo11-2architectureeasyparalleltpo1-1artnormaldichotomy/comparisontpo16-4art historynormaltpo17-1art historynormalparalleltpo18-2art historynormaldichotomy/comparisontpo8-2art historyeasytpo5-2astronomyhellishparalleltpo13-4astronomyhellishtpo14-3astronomynormaltpo18-1astronomynormaltpo3-4astronomyeasytpo19-2astronomyeasytpo2-4astronomyabnormaltpo18-4biologyhellishtpo7-2biologynormaltpo11-1biologynormaltpo12-1biologynormaltpo14-2biologynormaltpo16-3biologynormaltpo17-4biologynormalparalleltpo1-4biologyeasytpo6-2biologyeasytpo2-2botanyeasytpo11-4businessextremely easytpo12-2businessextremely easytpo5-3chemistryhellishparalleltpo8-4chemistrynormaltpo13-1city planningeasytpo6-3creative writingeasytpo6-4earth scienceeasytpo10-3ecologyeasytpo13-2ecologyeasytpo6-1economicshellishdichotomy/comparisontpo17-2environment sciencehellishtpo9-2environment sciencenormaltpo11-3environment sciencenormaltpo12-4environment sciencenormalraise,analyze and solve a problemtpo3-1environment scienceeasytpo10-2european history normaltpo18-3european history normaltpo3-2film historyeasydichotomy/comparisontpo1-2geologyhellishtpo4-3geologynormaltpo7-4geologynormaltpo9-3geologynormaldichotomy/comparisontpo16-1geologynormaltpo8-3history hellishchronicletpo3-3history normaltpo17-3history normaltpo9-4linguisticnormalparalleltpo19-1linguisticeasytpo5-4literaturenormaldichotomy/comparisontpo4-2literatureeasytpo10-1marine biologynormaltpo19-3marine biologynormaltpo12-3music historyhellishtpo16-2music historynormaltpo15-1NAtpo15-2NAtpo15-3NAtpo15-4NAtpo2-3philosophynormaldichotomy/comparisontpo13-3poetryeasydichotomy/comparisontpo19-4portraitnormaltpo10-4psychologynormaldichotomy/comparisontpo2-1psychologyeasydichotomy/comparisontpo14-1psychologyeasytpo5-1sociologynormalparalleltpo...