European Russia is separated from Asiatic Russia by the 1.West Siberian Plain
2.Ural Mountains
3.Caucasus Mountains
4.Caspian Sea

Why does physical weathering speed up the processes of chemical weathering? a) physical weathering requires abundant water, as does chemical weathering. b) physical weathering produces fresh surfaces for chemical weathering to attack. c) chemical weathering can occur only on small surfaces, not large ones. d) chemical weathering requires salt, which is provided by salt wedging.

Soweto was the site of one of the that swept across south africa in the late 1970s. in his effort to end apartheid, desmond tutu turned to . the united states responded to south africa’s apartheid policy in the 1980s by .

Find a formal factor that connects egypt to africa to europe and to southwest asia