question: What will happen to the levels of pollution on Earth if the population decreases?
choices.text: they will rise they will fall
choices.label: A B
para: For example, more people on the Earth means more people contributing to global warming and pollution.
para_anno.effect_prop: pollution
para_anno.cause_dir_str: more
para_anno.effect_dir_str: contributing to
para_anno.cause_dir_sign: MORE
para_anno.effect_dir_sign: MORE
para_anno.cause_prop: population
question_anno.more_effect_dir: rise
question_anno.less_effect_dir: fall
question_anno.less_cause_prop: population
question_anno.more_effect_prop: levels of pollution
question_anno.less_effect_prop: levels of pollution
question_anno.less_cause_dir: levels of pollution