a. drum polyphony b. drum heterophony c. imitative monophony d. drone
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ANS: An aerophone is an instrument that utilizes a column of air inside theinstrument to create sound.
Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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