Baltic Sea

What place is number 1. on the map

• Gulf Of Finland (Suomenlahti)

• Bay of Bothnia (Perämeri)

• North sea (Pohjanmeri)

• Gulf of Bothnia (Pohjanlahti)

What place is number 2. on the map

• Gulf Of Finland (Suomenlahti)

• Bay of Bothnia (Perämeri)

• Gulf of Bothnia (Pohjanlahti)

• North sea (Pohjanmeri)

What place is number 3. on the map

• Gulf Of Finland (Suomenlahti)

• Bay of Bothnia (Perämeri)

• Gulf of Bothnia (Pohjanlahti)

• North sea (Pohjanmeri)

What country is letter A on the map

• Estonia

• Latvia

• Lithuania

• Poland

What country is letter B on the map

• Estonia

• Latvia

• Lithuania

• Poland

What country is letter C on the map

• Germany

• Denmark

• Lithuania

• Poland

What does the area with the orange colour mean?

• the polluted area around the Baltic sea

• catchment area of the Baltic sea

• the area from where fresh water ends up into the Baltic sea

• the watershed of the Baltic sea

What is brackish water?

• fresh water

• salty water

• very salty water

• slightly salty water

What is eutrophication?

• pollution

• a state where there is too much nutrients in the water

• too little phosphorus and nitrogen

• cyanobacteria

What is the biggest cause for excessive nutrients leaking to the Baltic sea?

• too many algae in the sea

• agriculture, especially animal farms

• boats and ships

• traffic