Answer:
D) Phosphorous catches fire in air.
Answer:
The role of human systems and political systems in Russia is very complex, Poverty is widespread, living standards square measure low and, typical of a non-developed country, the exportation of natural resources fuels abundant of Russia's economy. Russia is borderline at the best on most developed-country metrics. the country's per capita GDP is $24,451 and these all factors shapes the Russian core.
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