The most difficult rivers of Russia riddlesRivers quiz
What is the largest affluent of the Baltic Sea in terms of mean discharge?
Vistula is the longest of the Baltic Sea affluents, but its mean discharge of 1080 m3/s is less than half of Neva (2500 m3/s). Other major Baltic Sea effluents are Daugawa nad Neman (both 678 m3/s).
The Volga is the longest river in Europe. To which sea does Volga discharge?
The Volga is the largest river in Europe in terms of length, discharge, and watershed. The river has a symbolic meaning in Russian culture and is often referred to as Volga-Matushka (Volga-mother) in Russian literature and folklore.
In this photo, you can see the impressive delta of the largest inflow of Caspian Sea. What's the river name?
The Volga Delta has grown significantly in the past century because of changes in the level of the Caspian Sea. In 1880, the delta had an area of 3,222 km². Today the Volga Delta covers an area of 27,224 km² and is approximately 160 km across.