1) List three important cities that are located in the Northern European Plain. Moscow kive st peaters burg   
2) What percentage of the region's population lives in this plain? 70%
3) What border do the Caucasus Mountains form?  the borded between russa and transacneas
4) What are the two largest lakes in Central Asia? lake bikal and the airl sea 
5) How long is the Volga River? 2,294 miles
6) Why is Lake Baikal important? it woleds most of the world fresh water and hast the workeds onlel fress water seal 
7) What are some of the resources that have been developed in Russia and the Republics? coule iron oil and lumber
8) Why might extracting and transporting the region's resources be difficult? coold tempicher and lack of good trans portaion