infrastructure - the basic physical and organizational structures needed for the operation of a society, including roads, bridges, water supply, and more, population density - the number of individuals within a given area, population limit - the maximum population size an environment can sustainably support, considering available resources, population - a group of organisms of the same species,

Population Density

بواسطة
طباعة
تضمين

لوحة الصدارة

النمط البصري

الخيارات

تبديل القالب

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