Answer:
d. all of the above
Explanation:
Russia has represented virtually all types of minerals, the country occupies a leading position in proven reserves of coal, iron and manganese, bauxite, copper, lead, nickel, tungsten, diamonds, gold, large reserves of natural gas oil, etc.
Also, agricultural products represent 5.8% of Russian exports. This surpasses exports from the Russian military-industrial complex which in 2017 amounted to $ 12 billion.
According to the Russian Ministry of Agriculture, cereals, oil, sugar, potatoes and chicken and pork meat are exported.
