What evidence argues against the idea that practicing music improves hearing?
a. Highly practiced musicians have no better hearing than other people, on average.
b. The ability to hear well is known to depend entirely on a single gene
c. Twins are similar in hearing, even if only one practiced music.
d. Repetitive exposure to music is known to damage a person's hearing.
c
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Stella studies for her exam so she can earn a passing grade and maintain her scholarship
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Dr. Smith designs a study to examine the effectiveness of giving college students who visit the student health center a pamphlet on the importance of healthy sleep habits
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