Q 01/05

How many countries have a coastline on the Baltic Sea?

A) Seven

B) Six

C) Nine

D) Eleven

Answer · why

C) Nine

Denmark, Estonia, Finland, Germany, Latvia, Lithuania, Poland, Russia and Sweden; Belarus, Norway and others lie only in the drainage basin.

Q 02/05

The Baltic is the world's largest basin of what kind of water?

A) Glacial meltwater

B) Hypersaline

C) Freshwater

D) Brackish

Answer · why

D) Brackish

Its open surface water is under one percent salt, so drinking it in an emergency would actually hydrate you, unlike ocean water.

Q 03/05

Which sea does the Baltic drain into through the Danish Straits?

A) The Skagerrak

B) The Kattegat

C) The Wadden Sea

D) The Norwegian Sea

Answer · why

B) The Kattegat

The three straits are the Øresund, the Great Belt and the Little Belt; from there the water reaches the Skagerrak and the North Sea.

Q 04/05

Which artificial waterway, opened in 1895 through Schleswig-Holstein, links the Baltic to the North Sea?

A) The Eider Canal

B) The Göta Canal

C) The Kiel Canal

D) The Elbe-Lübeck Canal

Answer · why

C) The Kiel Canal

It saves ships about 460 km compared with going round Jutland and averages some 32,000 transits a year, making it one of the busiest artificial waterw...

Q 05/05

What is the northern arm of the Baltic, lying between Sweden and Finland, called?

A) The Gulf of Riga

B) The Gulf of Finland

C) The Bay of Gdańsk

D) The Gulf of Bothnia

Answer · why

D) The Gulf of Bothnia

Its northernmost basin, the Bothnian Bay, is where the sea ice forms first each November and where about two-thirds of fish species are freshwater one...