Give reason:-
Some roads across our country are metalled and some are unmetalled.
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Metalled roads are made of either cement, concrete or even bitumen of coal therefore durable over unmetalled road. Unmetalled roads go out of use in rainy season. Border roads plays in important role in connecting strategically important difficult areas and helps in the economic development of the area.
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Explanation:
Metalled roads are made of either cement, concrete or even bitumen of coal therefore durable over unmetalled road. Unmetalled roads go out of use in rainy season.
Border roads plays in important role in connecting strategically important difficult areas and helps in the economic development of the area. National Highways are the primary road system which links extreme parts of the country.
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