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Homogeneity and heterogeneity are concepts often used in the sciences and statistics relating to the uniformity in a substance or organism. A material or image that is homogeneous is uniform in composition or character (i.e. color, shape, size, weight, height, distribution, texture, language, income, disease, temperature, radioactivity, architectural design, etc.); one that is heterogeneous is distinctly nonuniform in one of these qualities.[
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The first reason is pretty obvious – many Russian regions are too cold to support human habitation.But generally, the entire northern and eastern regions of the country are uninhabited, contributing to the low level of population in Russia as a whole.
Kingdom of Magadha ,plain eastern of Magadha in the Indo-Gangetic at Pataliputra. also known as modern Patna
