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Although Simon was sitting right next to his parents while eating at a picnic, he heard a far-away car alarm minutes before they did.
Which of the following accounts why initially Simon heard the alarm and his parents did not?
Simon did not experience sensory adaptation, while his parents did.
Simon has a lower absolute threshold for sound than does his parents.
The sound of the car alarm exceeded the absolute threshold for hearing in the case of Simon's parents, but not for Simon.
Simon has more sensitive olfactory receptors than do his parents.
Simon seems to have a more developed vestibular sense than his parents.