A family lives in a remote area of Appalachia, where coal mines that once employed many workers have been idle for years. There are no jobs in the area, the distant schools are poorly funded, and because of the remote location, there are no churches or medical facilities nearby. These poor, chronically unemployed people who barely survive from winter to winter are an example of:.

Underclass

Explanation:

The underclass is the lowest class of people in the society and have the lowest social and economic status of a given population. These set of people usually lack basic amenities such as Electricity, good medical facilities, good shelter and good water.

They are normally found in rural areas and mortality rate is high due to lack of good food, poverty and the harsh weather conditions experienced by these set of people.

permafrost layer, it exists beneath a layer of soil, rock or sediment.