Answer: White Sea, Barents Sea, Kara Sea, Laptev Sea, East Siberian Sea, and the Chukchi Sea
Step-by-step explanation:The majority of Russia's coastline is on the Arctic Ocean and its seas, including the White Sea, Barents Sea, Kara Sea, Laptev Sea, East Siberian Sea, and the Chukchi Sea. Located almost entirely north of the Arctic Circle, much of the water here remains frozen for the better part of the year.