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followed by East and South East Asia, , , , , , , Because the size or area of the), hall is much larger than that of, the classroom. However, when, all the students of the school, come into the hall, the hall too |, starts looking crowded, , When all the 30 students are, present, our classroom seems, very crowded. But when the, same class is seated in the] @, school assembly hall, it seems, so open and empty. Why?, , , , Factors AFrecTinGc DisTRIBUTION OF PoPULATION, Geographical Factors, , Topography: People always prefer to live on plains, rather than mountains and plateaus because these, areas are suitable for farming, manufacturing and, service activities. The Ganga plains are the most densely, populated areas of the world while mountains like, ‘Andes, Alps and Himalayas are sparsely populated., Climate: People usually avoid extreme climates that are, very hot or very cold like Sahara desert, polar regions of, Russia, Canada and Antarctica., , Soil: Fertile soils provide suitable land for agriculture., Fertile plains such as Ganga and Brahmaputra in India,, Hwang-He, Chang Jiang in China and the Nile in Egypt, are densely populated., , Water: People prefer to live in the areas where fresh, water is easily available. The river valleys of the, world are densely populated while deserts have spare, population., , Minerals: Areas with mineral deposits are more, populated. Diamond mines of South Africa and discovery, of oil in the Middle east lead to settling of people in, these areas., , , , , , , , , , Activity, Look at Fig 6.2, and find out:, of these countries, how many are in, Asia? Colour them, on a world map., , Social, Cultural and Economic Factors, Social: Areas of better housing, education and health, facilities are more densely populated e.g., Pune., , 34 Resources axp DeveLorment, , , , , , , Cultural: Places with religion or cultural significance, , attract people. Varanasi, Jerusalem and Vatican city || Glossary, , are some examples. Life expectancy, Economic: Industrial areas provide employment Itis the number, opportunities. Large number of people are attracted to of Years that an, these areas. Osaka in Japan and Mumbai in India are average person can, , two densely populated areas. expect to live, , PoputaTion CHANGE, , The population change refers to change in the number, of people during a specific time. The world population 1, has not been stable. It has increased manifold as seen, , in the Fig 6.3. Why? This is actually due to changes in a, the number of births and deaths. For an extremely long 0, period of human history, until the 1800s, the world’s ae, population grew steadily but slowly. Large numbers of, , babies were born, but they died early too. This was as 1], there were no proper health facilities. Sufficient food was a, not available for all the people. Farmers were not able, to produce enough to meet the food requirements of all ooo, the people. As a result the total increase in population 0 1], was very low., , In 1804, the world’s population reached one i, , billion. A hundred and fifty five years later, in 1959, oo, the world’s population reached 3 billion. This is often rer