question: If Mona is building a new mirror and she wants it to refract less light, what should she do to the surface of the lens?
choices.text: make it more curved make it less curved
choices.label: A B
para: The more curved the surface of a lens is, the more it refracts light.
para_anno.effect_prop: refracts light
para_anno.cause_dir_str: more curved
para_anno.effect_dir_str: more
para_anno.cause_dir_sign: MORE
para_anno.effect_dir_sign: MORE
para_anno.cause_prop: curved the surface of a lens
question_anno.less_effect_dir: less
question_anno.less_cause_prop: surface of the lens
question_anno.less_effect_prop: refract light
question_anno.less_cause_dir: refract light