question: When you go into a cave, the rocks at deeper levels are _____ than the rocks on the surface.
choices.text: younger older
choices.label: A B
para: The main law is the law of superposition. This law states that deeper rock layers are older than layers closer to the surface.
para_anno.effect_prop: distance to surface
para_anno.cause_dir_str: older
para_anno.effect_dir_str: deeper
para_anno.cause_dir_sign: LESS
para_anno.effect_dir_sign: LESS
para_anno.cause_prop: age
question_anno.more_effect_dir: deeper
question_anno.less_cause_prop: rocks
question_anno.more_effect_prop: levels