Match each characteristic of government to Athens or Rome. was a republic
Athens
Rome
was a direct democracy
had a bicameral assembly
had a Council of 500
allowed all citizens to vote
was led by a senate

Most of the workers who laid the central pacific railroad were?

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.

After his last drinking spree, fakim hid a half-empty liquor bottle. he couldn't remember where he hid it until he started drinking again. fakim's pattern of recall best illustrates: