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:)
The answer would be B so you won’t injure yourself
its slowing it down because if you eat snacks in between meals your metabolism will work faster but if you just eat 3 square meals alone then it slows down as it dosent have to digest as much in a certain time period.