The camps in poland only contained jews? true or false?

Toward the end of the roman empire, what caused a decrease in the use of coined money tell me now

Which of the following is an example of how the principle of beneficence can be applied to a study employing human subjects? providing detailed information about the study and obtaining the subject's consent to participate. ensuring that the selection of subjects includes people from all segments of the population. ensuring that persons with diminished autonomy are protected. determining that the study has a maximization of benefits and a minimization of risks.

Acase study allows a more detailed look at the life of a single subject than any other study