The number of people living in a unit area of the earth's surface is called _______.

Birth rate

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Death rate

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Population density

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Life expectancy

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Solution

The correct option is C Population density
Each unit of land has limited capacity to support people living on it. The ratio between the numbers of people to the size of the land is known as the density of population, usually measured in persons per sq km.
Density of Population = Population/ Area.

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Similar questions

Tick the correct answer.

(i) Which does the term population distribution refer to?

(a) How population in a specified area changes over time.

(b) The number of people who die in relation to the number of people born in a specified area.

(ii) Which are three main factors that cause population change?

(a) Births, deaths and marriage

(b) Births, deaths and migration

(iii) In 1999, the world population reached

(a) 1 billion

(b) 3 billion

(iv) What is a population pyramid?

(a) A graphical presentation of the age, sex composition of a population.

(b) When the population density of an area is so high that people live in tall buildings.

What is the number of live births per 1000 people in a year is known as?

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