Which best summarizes organ systems?

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.

According to the aztec history, how did the aztecs know where to build their new city of tenochtitlan? why was this a good location?

Me and i you plus a 5 stars and brainlist