question: As we release the air from a balloon the number of reactions in the balloon
choices.text: increase decrease
choices.label: A B
para: At higher concentrations, particles of reactants are crowded closer together, so they are more likely to collide and react.
para_anno.effect_prop: reactions
para_anno.cause_dir_str: closer
para_anno.effect_dir_str: more
para_anno.cause_dir_sign: MORE
para_anno.effect_dir_sign: MORE
para_anno.cause_prop: particles near each other
question_anno.more_effect_dir: increase
question_anno.less_effect_dir: decrease
question_anno.less_cause_prop: balloon
question_anno.more_effect_prop: reactions
question_anno.less_effect_prop: reactions
question_anno.less_cause_dir: reactions