Russia's Southern border is marked by this mountain range
What is the Caucasus Mountains
90% of Moscow's air pollution is linked to this
What is the City's Automobile Traffic
This area of Eurasia is home to more than 100 million people
What is European Russia
During the Soviet Era people were sent to these vast collections of political prisons
What is Gulag Archipelago
This is the most dominant language types in the region
What is Slavic
Most of Russia's interior is this type is biome
What is Taiga?
This type of resources is causing water pollution and killing fish
What is Oil
Moscow alone produces about this much of the entire nation's wealth
What is 20 percent
This was the Soviet policy of resettling Russians in non-Russian portions of the Soviet Union
What is Russification
In Moldova this romance language is spoken
What is Romanian
These mountains separate European Russia from Siberia
What is Ural Mountains
Shrinking sea ice is bringing this animal's feeding grounds closer to villages
What is a bear
Azerbaijan's capital city, home to almost 25% of that nation's population
What is Baku
There are believed to be more than this many undocumented immigrants in the country for work
What is 11 million
The dominant religion among Russians
What is Eastern Orthodox Christian
Fertile chernozem soils is found in this type of terrain
What is Steppe
Nuclear power plant that had a catastrophic meltdown in 1986 causing environmental problems
What is Chernobyl
This Eastern Russian city has attracted a growing number of Chinese immigrants
What is Khabarovsk
One-third of the undocumented immigrants are believed to live in this metropolitan region
What is Moscow
Largest non-Christian religion
What is Islam
This kind of acidic soils limits the ability to support a productive agricultural economy
What is Podzol Soils
This lake is home to 20% of the Earth's unfrozen fresh surface water and is covered in pollution
What is Lake Baikal
This key railroad passage to the Pacific was completed in 1904
What is the Trans Siberian Railroad
These are large, Soviet-era housing projects from the 1970's and 1980's
What is Mikrorayons
These two types of Muslims practice in Russia
What is Sunni and Shiites