Answer in one word

(a) Deep inlets of sea lying between high cliffs.

(b) A shallow low lying area on the earth's surface.

(c) Chain of mountains formed due to compression.

(d) Land of thousand lakes.

(e) The longest river in Europe.

Give reasons:

(a) Europe is called the peninsula of peninsulas.

(b) Finland is called 'the land of thousand' lakes.

(c) Europe is known as a dynamic continent.

State the location and extent of Europe.

Name any two countries which are called Balkan states.