What is the meaning of ‘ageing population’?

Name any two regions where gathering is practised in the world.

'The imprints of human activities are created everywhere.' Justify this statement by giving any three examples.

Explain a ‘‘Healthy City’’ in the light of suggestions made by World Health Organisation.

Explain any five factors that influence the distribution of population in the world.

What is tourism? Explain any four tourist attractions in the world with examples.

What are highways in the world context?

Mention any two characteristics of urban settlements as per the census of India 2001.

Explain the prime motive force in the development of Modinagar as a town.

How can the satellite images be used?