question: If Mona is producing sound waves by listening to her radio at night and she turns up the volume, what happens to the amount of energy being produced by the radio?
choices.text: increases decreases
choices.label: A B
para: A higher-frequency wave has more energy than a lower-frequency wave with the same amplitude.
para_anno.effect_prop: energy
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: higher-frequency wave
question_anno.more_effect_dir: increases
question_anno.less_effect_dir: decreases
question_anno.more_effect_prop: energy
question_anno.less_effect_prop: energy
question_anno.less_cause_dir: energy