The ossicles are housed in the _____ ear, whereas the cochlea is housed in the _____ ear

A researcher post flyers around the community to recruit families for his research. He desires a

sample size of 100 and after 2 days, has already recruited 50 African -American families. Because 50% of the community population is African-American, he decides to discontinue recruitment for this group, but continue recruiting participants of other ethnic groups. This sampling method is known as __________ sampling. Fill in the blanks with correct word

Fermented beverages have an alcohol content no higher than __________

a. 5% b. 15% c. 25% d. 40%