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Population Explosion and It's Causes

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Question

Write the formula of population density.

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Solution

Population density:
It is defined as the number of individuals per square kilometer at any given time.
Population density = Total population/ Total area
The average population density in developing countries is more than in developed countries.

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Q. Which of the following equations best represents the formula for calculating the change in population density?

Q. Which one of the following formulae correctly represents the relationship between population density and the processes that influence it?

Q. "The population of a metro city experiences fluctuations in its population density over a period of time".

(a) When does the population in a metro city tend to increase?
(b) When does the population in metro city tend to decline?
(c) If 'N' is the population density at the time 't', write the population density at the time 't + 1'.

Q. Find the country with highest population density if population density is defined as

\frac{p o p u l a t i o n}{a r e a}

Q. Assertion: Population density indicates a lot about the status of a population in the habitat.

Reason: Absolute population density as well as relative population density serve equally well to find total number of individuals in a population for a given area

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