question: A pH value of 9 has a _____ acidity level than a pH value of 8.
choices.text: lower higher
choices.label: A B
para: Acids have pH values below 7. The lower the pH value, the more strongly acidic the substance.
para_anno.effect_prop: acidity
para_anno.cause_dir_str: lower
para_anno.effect_dir_str: more strongly
para_anno.cause_dir_sign: LESS
para_anno.effect_dir_sign: MORE
para_anno.cause_prop: pH value
question_anno.more_effect_dir: higher
question_anno.less_effect_dir: lower
question_anno.less_cause_prop: pH value
question_anno.more_effect_prop: acidity
question_anno.less_effect_prop: acidity
question_anno.less_cause_dir: acidity