Which statement from this excerpt is a fact and not an opinion?

Which of the following methods could be considered a "best practice" in terms of informing respondents how their answers to an on-line survey about personal information will be protected? respondents are informed that investigators will try to keep their participation confidential; however, confidentiality cannot be assured.respondents are informed that a research assistant will transfer all the research data to a password-protected computer that is not connected to the internet, via a usb flashdrive. the computer is located in a research team member's office.the investigator uses the informed consent process to explain her institution's method for guaranteeing absolute confidentiality of research data.the investigator uses the informed consent process to explain how respondent data will be transmitted from the website to his encrypted database without ever recording respondents' ip addresses, but explains that on the internet confidentiality cannot be absolutely guaranteed.the investigator uses the informed consent process to explain how respondent data will be transmitted from the website to his encrypted database without ever recording respondents' ip addresses, but explains that on the internet confidentiality cannot be absolutely guaranteed

“a monarchy is indeed the most powerful of any… but then there is imminent danger of his employing that strength to improvident or oppressive purposes.”—william blackstone, commentaries on the laws of england which of the following documents addressed blackstone’s concern in this quote? the magna carta, because it limited the power of the king. common sense, because it encouraged american colonists to declare independence. the mayflower compact, because it created a government and the first written laws for plymouth settlers. the english bill of rights, because it later influenced the u.s. bill of rights.

Recently, there has been pressure to loosen clean air standards. use economic arguments to support or oppose this proposed action.