Although Thomas was sitting right next to his friends in the park, he was able to smell buttered popcorn a couple of minutes before they did. He has a lower __________ for smells than his friends.
a. tolerance level
b. absolute threshold
c. difference threshold
d. sensory transduction
Explanation: The absolute threshold is defined as the lowest level of a stimulus such as a contact, light, or sound, that an organism can detect. In the case of odors, we talk about the lowest concentration of a certain odor compound that is perceptible to people's senses.
