7. Incan Aqueducts like the one above helped provide fresh water and irrigation for agriculture to Incan settlements. What geographical challenges did the aqueducts help the Inca overcome? A. Provided water when it was scarce in the mountains and a route for flooding after snow melts. B. Provided water when it was scarce in the deserts and a route for annual river flooding. C. Provided a necessary source of clean water due to contaminated water springs in the Andes. D. Provided a way for farmers to drain the wetlands so that settlements were able to be built.

Agroup of people who, because of their physical characteristics or cultural practices, are singled out and treated unequally.

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

Why did jefferson oppose the assumption of the debt