After this tractor was manufactured, how was it decided who would get it?

a) the people who need it most are the ones who get it.

b) the tractor was purchased by people who could afford to purchase it.

c) the united states department of agriculture held a lottery to give the tractors away.

d) the people who own the company that made the tractor held a lottery to give the tractors away.

Which factor contributed to the rise of african empires such as ghana and mali?

Which statement about jews is not correct? question 6 options: a: jews had been disliked and persecuted for many centuries. b: jews lived and worked in businesses throughout germany. c: many germans blamed jews for germany’s economic problems. d: jews began migrating to germany after the end of world war i.

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.