An uncomfortable feeling in the ears when descending in an airplane is caused by changes in air pressure on the: a. inner ear b. middle ear c. eardrum d. hammer/anvil
Male-patterned baldness is more common in males as the name suggest.why is this? a.the gene for baldness is on chromosome 5 b.the gene for baldness is on chromosome 1 c.the gene for baldness is on he x chromosome d.the gene for baldness is on the y chromosome
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