question: Tony drives an SUV that contributes many greenhouse gases to the atmosphere. Evan rides a scooter that contributes few greenhouses gases to the atmosphere. Who likely contributes more to the Earth heating up?
choices.text: Tony Evan
choices.label: A B
para: If there are more greenhouse gases in the atmosphere, more ultraviolet radiation will be trapped and the Earth will heat up.
para_anno.effect_prop: more ultraviolet radiation will be trapped and the Earth will heat up
para_anno.cause_dir_str: more
para_anno.effect_dir_str: more
para_anno.cause_dir_sign: MORE
para_anno.effect_dir_sign: MORE
para_anno.cause_prop: greenhouse gases in the atmosphere
question_anno.more_effect_dir: contributes more
question_anno.less_cause_prop: greenhouse gases
question_anno.more_effect_prop: Earth heating up