Le each of the following terms in a separate

sentence.

1. demography

2. demographic transition

3. infrastructure

4. least developed countries

1: Demography: The demography of a country tends to change over time.

2: demographic transition: The study of the demographic transitions show that the population is expanding rapidly.

3: Infrastructure: The infrastructure of the under - developed countries need focus and maintenance.

4: Least developed countries: There are serious malnutrition diseases in least developed countries.