Kievan Rus was a loose federation of East Slavic and Finnic peoples in Europe from the late ... He extended his control from Novgorod south along the Dnieper river valley to protect trade from Khazar incursions ... In the south, in the area around Kiev, were the Poliane, a group of Slavicized tribes with Iranian origins
Canada or space righttttt???.?.????
I think the correct answer should be False because, in coral reefs, there are animals that in that ecosystem, so I don't think there could be migration which a sea animal would stay in the coral reef.
I would say such a mountain range can be named a cordillera such as the Western Cordillera of both North and South America which occurs mostly just east of subduction zones and a result of the oceanic crust being pushed under the continental crust with subsequent uplift and sometimes the formation of volcanoes.