EUROPE

2. plains and systems of
mountains.

3. The most important plains in Europe are:
The Great European Plain
and The East European Plain

4. The most important mountains in Europe are:

9. ,
The most important rivers in Europe are: Tajo, Duero, Ebro, Seine,
Thames, Rhine, Danube and Volga. Volga is the longest river in Europe
and the Danube river is the second longest one.