Read the sentences. margaret mead is widely known for her studies of primitive societies. she was an american anthropologist. which sentence correctly uses an appositive phrase to combine the two sentences? margaret mead was an american anthropologist who is widely known for her studies of primitive societies. margaret mead, who was an american anthropologist, is widely known for her studies of primitive societies. margaret mead, an american anthropologist, is widely known for her studies of primitive societies. margaret mead, widely known for her studies of primitive societies, was an american anthropologist.