How do researchers use bibliographies?

Which conclusion about pau amma does this excerpt support

Which sentence uses the simple present tense of sleep? mr. ford sleeping on a feather mattress in his apartment. mr. ford will sleep on a feather mattress in his apartment. mr. ford sleeps on a feather mattress in his apartment. mr. ford slept on a feather mattress in his apartment.

When hamlet shows his mother a picture of king hamlet and a picture of claudius, he tells her to look at the "counterfeit presentment of two brothers." in shakespeare's day, counterfeit meant a "portrait" or "picture." what does counterfeit mean today?