Some scholars date rock’s beginning to June 1955, when the song “Rock Around the Clock” reached number one on Billboard’s charts. Which artist sang this song?

The paintings in the lascaux cave were discovered by who?

Whereas traditional stock agencies showcase the work of professional photographers, anyone can submit to microstock agencies, provided images meet the criteria that the microstock agency has set up. true or false?

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?