Political science teacher Mr. Jones asks his students to study how social media can influence public opinion by "following" famous activists, academics, and politicians on Twitter. While reading and exchanging each other’s Tweets, some classmates became close friends. The first is an example of the project’s function, the second is an example of the project’s function.
A. latent; manifest
B. manifest; manifest
C. manifest; latent
D. latent; latent

The authors of the paper "fudging the numbers: distributing chocolate influences student evaluations of an undergraduate course"† carried out a study to see if events unrelated to an undergraduate course could affect student evaluations. students enrolled in statistics courses taught by the same instructor participated in the study. all students attended the same lectures and one of six discussion sections that met once a week. at the end of the course, the researchers chose three of the discussion sections to be the "chocolate group." students in these three sections were offered chocolate prior to having them fill out course evaluations. students in the other three sections were not offered chocolate. the researchers concluded that "overall, students offered chocolate gave more positive evaluations than students not offered chocolate." indicate whether the study is an observational study or an experiment. give a brief explanation for your choice.

According to the article 13 of the articles of confederation, what percentage of votes by the states was required to ratify any amendments

Why was louis armstrong considered a jazz legend