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The polar regions are sparsely populated because of
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- lack of minerals
- unsuitable climatic conditions
- infertile land
- mountainous topography
Correct Option: B
The population density is low in polar regions because the climate is too cold and harsh for people to survive there. The polar regions such as the Arctic and Antarctica are the coldest places on the earth with little or no vegetation to support the resident population. Most of the polar regions are cold deserts.
