What was the Warring States Period? a time when family systems weakened and disorder fell upon China

a time of civil war between the nobles to see who would take control of China

a time that led to three philosophies being created to prevent another civil war from happening in China

all of the above

Aresearcher conducting behavioral research collects individually identifiable sensitive information about illicit drug use and other illegal behaviors by surveying college students. the data are stored on a laptop computer without encryption, and the laptop computer is stolen from the researcher’s car on the way home from work. this is an unanticipated problem that must be reported because the incident was (a) unexpected (i.e., the researchers did not anticipate the theft); (b) related to participation in the research; and (c) placed the subjects at a greater risk of psychological and social harm from the breach in confidentiality of the study data than was previously known or recognized. according to ohrp, this unanticipated problem must be reported to the irb in which timeframe? promptlywithin 48 hourswithin 24 hourswithin two weeks

Which term describes a possible explanation of, or answer to, a scientific question that is based on prior knowledge or research and that is testable?

What are the most populous and least populous areas of russia? and why are some areas more heavily populated than others?