Explain how internal migration affects the population density of Mumbai.
Answer
It increases density by adding more people to the city, leading to higher people per square kilometre.
The correct answer is It increases density by adding more people to the city, leading to higher people per square kilometre. — Step 4: The higher density can strain infrastructure, housing and public services.
Step-by-step solution
- Step 1: Internal migration refers to movement of people within the country, often from rural to urban areas.
- Step 2: People moving to Mumbai add to its population while the land area remains nearly the same.
- Step 3: Population density, defined as population divided by area, therefore rises as the numerator increases.
- Step 4: The higher density can strain infrastructure, housing and public services.
Common mistake: Thinking only rural migration matters, not urban migration.
Concept tested: Impact of migration on population density.
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