Sociology: Population Change (Practice) (100%)... 1.) Number of people living in an area at a particular time.
**Answer**
Population.

2.) The growth rate is a measure of the rate at which a country’s population is increasing.
**Answer**
True.

3.) Average number of years that a person born in a particular year can expect to live.
**Answer**
Life Expectancy.

4.) Area of sociology devoted to the study of human populations.
**Answer**
Demography.

5.) is the movement of people from one specified area to another.
**Answer**
A. Migration.

6.) Define push factor, and give some examples of push factors.
**Answer**
A push factor is forceful, and a factor which relates to the country from which a person migrates. It is generally some problem which results in people wanting to migrate.
Three examples of push factors that drive people to emigrate from their home countries. Lack of Jobs/Poverty: Economic factors provide the main motivation behind migration. ... In other instances, the income gap between sending and receiving countries is great enough to warrant a move.

7.) Define pull factor and give examples of pull factors.
**Answer**
Pull factor is a geography term that is used to describe factors that attract people to a country, region, religion, organization etc.. It is the opposite of a push factor, which involves conditions that motivate one to leave. Unemployment. Insecurity. Scarcity of land. Political instability. Drought and famine.

8.) How is the death rate calculated?
**Answer**
Number of deaths divided by total population, multiplied by 1,000.

9.) What 3 demographic values affect the size of a population?
**Answer**
A population's size is first affected by fertility, which refers to the number of children that an average woman bears during her reproductive years- from puberty.