They used their surrounding such as the Nile and the soil in the fertile crescent :) hope this helps ya out ♥
Correlational research is most useful for
purposes of PREDICTION.
Correlational research is a type of research wherein the researcher uses two
factors or variables and checks the relationship of the two variables. In this
type of research in order to get good results, the researcher should set at
least 30 participants in order to increase the validity of result of the
research.

Alfonso's average speed was 400 meters per minute.
The MAIN function of political parties in the United States is to:
D) help people with similar political ideas express their views.
Please elaborate? :) Thanks