Answer the following in brief

MAN AND ENVIRONMENT

IV. Answer the following in brief.

1. What do you mean by the term 'density of population'?

Density of population refers to the number of people living per square kilometre.

Populauon Density = Total Population / Total land area

2. What is 'black death'?

• The black death is estimated to have killed 30 - 60 percent of Europe's total population during the 14th century.

• The dominant explanation for black death is attributed to the outbreak of plague.

3. Define.

i) Population growth

• Population growth refers to an increase in the number of people who reside in a particular area during a particular period.

ii) Census

• Census is an official enumeration of population carried out periodically.

• It records information about the characteristics of population such as age, sex, literacy and occupation.

iii) Sustainable Development.

• Sustainable development is development that meets the needs of the present without compromising the ability of future generation to meet their own needs".