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  1. Why are mountainous regions sparsely populated ?
  2. Why are river valley thickly populated ?
Please send the answers to the following by TUESDAY.

(1) Mountainous areas are sparsely populated as life is difficult there. The steep topography makes it difficult and expensive to construct houses, build roads and growing vegetation is difficult. The low temperatures also make it difficult for many to live.

(2) A river plain is densely populated as the topography of the region is suitable for human habitation. The soil is fertile for cultivation owing to deposits of sediments by rivers. The plain topography is also suitable for construction of roads and settlements. These factors contribute significantly to high population densities in river plains.

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Population Distribution

Population distribution means the pattern of where people live. World population distribution is uneven. Places which are sparsely populated contain few people. Places which are densely populated contain many people. Sparsely populated places tend to be difficult places to live. These are usually places with hostile environments e.g. Antarctica. Places which are densely populated are habitable environments e.g. Europe.Population DensityPopulation density is a measurement of the number of people in an area. It is an average number. Population density is calculated by dividing the number of people by area. Population density is usually shown as the number of people per square kilometer. The map below is a choropleth (shading) map and illustrates population density. The darker the colour the greater the population density.
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Mountain regions are sparsely populated because of cold climate and less vegetation.People can not survive in such a harsh climate. River valley are thickly populated because they have enough water and trees for the survival of people.
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MOUNTAINS HAVE A GREAT HEIGHT SO LESS OXYGEN IS PRESENT THERE, SO MOUNTAINS ARE SPARELY POPULATED.
AS THE SOIL NEAR RIVER VALLEY IS FERTILE AND THE NEED OF WATER IS SATISFIED, SO THE RIVER VALLEY REGION IS THICKLY POPULATED.
HOPE THI ANSWER WORKS.
THANK YOU
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