I’m not sure but it might be B.
The country of Russia, the largest country in the world, lies on a landmass that is comprised of two continents,called Eurasia (hint: Europe and Asia). This country is seperated by the Ural Mountains. Most of the population of this country lives in European Russia to the west of the mountains.
Tides would most likely be all over the place and unstable, and their wouldn't really be a full moon.
C. Australia is moving at about ~7 centimeters a year, which is about 67 millimeters.
~Hello there! ^_^
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.
Happy Studying! :)
