Answer:
"how close the students lived to one another."
Explanation:
In the study conducted in the 1950s, social psychologist Leon Festinger and colleagues established their proximity theory, which states that individuals tend to forge friendships with those who live close to them. People who are close by, have more chances to develop a strong interpersonal relationship rather than those who live far away from each other. Probably, this is due to how frequently people can meet.
Answer is A. A journey to the Holy Land
1921 belongs to time where the juridical base was formed as a result to demands of the growing economic environment
It was how Earth Day came to be celebrated and was how things like the Clean Water Act, the Clean Air Act, the Endangered Species Act were passed and the Environmental Protection Agency was created to help clean up chemical waste and any other pollutants. Obviously without these things we’d have a huge problem and we depend on them greatly if you think about it.