Answer: Option D
Answer: (d)
The Seine is a 776 km-long river and an important commercial waterway within the Paris Basin in the north of France.
The Potomac River flows into the Chesapeake Bay, located along the mid-Atlantic coast of the United States.
The Rhine is a river that flows from Grisons in the eastern Swiss Alps to the North Sea coast in the Netherlands and is the twelfth longest river in Europe. Germany, Austria, Switzerland, France, Netherlands are countries traversed by it.
The Danube is a river in Central Europe, the continent’s second-longest after the Volga. Classified as an international waterway, it originates in the town of Donaueschingen which is in the Black Forest of Germany at the confluence of the rivers Brigach and Breg. The Danube then flows southeast for 2,872 km, passing through four Central European capitals before emptying into the Black Sea via the Danube Delta in Romania and Ukraine.