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Your question: What physical feature marks the eastern boundary of the cultural subregion known as European Russia..?
Your answer: The Ural Mountains physical feature marks the Eastern boundary o f the cultural subregion known as European Russia.
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Answer:
convergent, divergent, & transform boundaries
Explanation:
convergent- where two plates collide, subduction zones occur when one or both of the tectonic plates are composed of oceanic crust
divergent-where two plates are moving apart
transform-where two plates slide passed each other