Final answer:
The northernmost body of water on the map is the Barents Sea, and the closest city to it is Murmansk.
Step-by-step explanation:
The northernmost body of water on the map is the Barents Sea, located to the far north of St. Petersburg. The closest city to the Barents Sea is Murmansk.
The northernmost body of water is the Barents Sea, and the closest city to it is Murmansk, a major Russian military port.
The northernmost body of water on the map is the Barents Sea. The city closest to this body of water is Murmansk, which is located in the far north of St. Petersburg. Murmansk is known for its naval port significance and for having a fairly ice-free harbor, thanks to the warm waters from the North Atlantic drift. There is another city, Arkhangelsk, also near the Barents Sea but it has a shorter ice-free season compared to Murmansk.