Pharyngotympanic tube. The eustachian tube is a canal that connects the middle ear to the nasopharynx, which consists of the upper throat and the back of the nasal cavity. It controls the pressure within the middle ear, making it equal with the air pressure outside the body
Answer:
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<span>In what proportion of a professional email shoulds you try to be brief descriptive purpose highly?
<span>- subject</span></span>
The answer is definitely A because you don’t over exercise for no reason but B maybe also because some athletes go quite far
Answer:
A. affected by external factors
Explanation:
What products we buy and procedures we do primarily depend on how much money we have, which is an external factor.
