Question

A social psychologist spends the afternoon at the mall and unobtrusively records how teenagers act in groups

Answer 1

Answer:

The evolution from agriculture to agribusiness has brought with it numerous benefits. These include reduced drudgery for laborers; the release of workers for nonagricultural endeavors; a better quality of food and fibers; a greater variety of products; improved nutrition; and increased mobility of people.

Answer 2

Answer:

An atmosphere is a layer or a set of layers of gases surrounding a planet or other material body, that is held in place by the gravity of that body. An atmosphere is more likely to be retained if the gravity it is subject to is high and the temperature of the atmosphere is low.