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It is a stimulus because parts of the ear respond to exact stimuli which would make this a stimulus. Our bodies make us able to hear normally but some people's bodies are not able to respond to the stimuli which unfortunately explains deaf people.
Hope this helps! Would love brainliest if possible:)
Which message was reported in a U.S. Surgeon GeneralÍs report released in 1964?
Smoking is a major factor in cancer and health disease.