What crops did north american indigenous people domesticate

One of the results of the 2010 golf of mexico oil spill is the threat to various species in the goths ecosystem it disturbed and in some cases forever altered the of the gulf coast

How has mexico's culture been shaped by cooperation among different people? be sure to name the groups involved in the cooperation, describe the cooperation, and explain how the cooperation shaped mexico's culture

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a researcher conducts a comparison of the comments made in a publicly available blog and the blogger's comments on a similar topic in a weekly magazine. undergraduate students in a field methods class are assigned a research question and asked to interview another classmate, to be followed by a class discussion on interview techniques. a cognitive psychologist enrolls undergraduate students for a computer-based study about the effect of mood on problem-solving behaviors. a researcher sets up a meeting with the superintendent of a large and diverse public school system to get data about the ethnic composition of the school system and the number of students receiving free lunches.