cht 9

Question 1

demography

Answer 1

the study of statistics such as births, deaths, income, or the incidence of disease, which illustrate the changing structure of human populations.

Question 2

age structure

Answer 2

The composition of a population in terms of the proportions of individuals of different ages

Question 3

survivorship

Answer 3

he legal right of the survivor of persons having joint interests in property to take the interest of the person who has died.

Question 4

fertility rate

Answer 4

The fertility rate at a given age is the number of children born alive to women of that age during the year as a proportion of the average annual population of women of the same age.

Question 5

migration

Answer 5

migration is defined as the movement of people over some distance (or at least from one “migration-defining. area” to another) and from one “usual place of residence” to another.

Question 6

life expectancy

Answer 6

the average period that a person may expect to live.

Question 7

demographic transition

Answer 7

Demographic transition is a long-term trend of declining birth and death rates, resulting in substantive change in the age distribution of a population.

Question 8

infrastructure

Answer 8

The term infrastructure refers to the basic physical systems of a business, region, or nation

Question 9

arable land

Answer 9

land fit or used for the growing of crops also : a plot of such land the village arable of Anglo-Saxon times.

Question 10

urbanization

Answer 10

the process of making an area more urban.

Question 11

least developed counries

Answer 11

Least developed countries (LDCs) are low-income countries confronting severe structural impediments to sustainable development. They are highly vulnerable to economic and environmental shocks and have low levels of human assets.