What best-selling novel is based on amy tan's discovery that she had half sisters living in china?

What is the purpose of the outer ear? a. to convert mechanical waves into electrical waves b. to evaluate the quality of sound c. to convert sound waves into mechanical waves d. to collect and focus sound waves

One of the researchers mentions that he is looking for "affiliation cues" in the video recordings of the experiment. how would you describe what these affiliation cues indicate?

There’s a one story house everything’s purple , the sofa the walls everything what color is the stairs