In which country are motorways called ‘autobahns’ ?

How is density of population of a region calculated ?

Explain with examples the ‘population size’ criteria used by most countries to define urban areas.

Explain the term ‘Golden Quadrilateral’.

‘‘The knowledge about nature is extremely important to develop technology.’’ Support this statement by giving three examples.

Mention any two characteristics of sub-urbanisation.

Explain any three characteristics of clustered rural settlements of India.

What two factors mostly helped in the development of ancient towns in India ?

Mention any two sources of water pollutants created by humans.

Who are called red collar workers ?