question: DJ has a solution that he removes particles from. The solution is now a _____ concentration.
choices.text: higher lower
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: particles crowded closer together
para_anno.cause_dir_str: higher
para_anno.effect_dir_str: more
para_anno.cause_dir_sign: MORE
para_anno.effect_dir_sign: MORE
para_anno.cause_prop: concentrations
question_anno.less_effect_dir: removes
question_anno.less_cause_prop: concentration
question_anno.less_effect_prop: particles
question_anno.less_cause_dir: particles