Mention the root cause of' acid rains'.

Define the term 'road density.'

Give any two examples of ancient towns of India.

Describe any three characteristics of 'Household Industries.'

State any two characteristics each of the three distinct 'cropping seasons' of lndia.

Explain any three main characteristics of mineral resources of India.

Describe any three advantages of satellite communication in India.

Why is the 'Urban Waste Disposal' a serious problem in India? Explain any three reasons.

Study the diagram given below, showing the location of an important steel plant of India and answer the questions that follow:

(19.1)  Identify the steel plant and name it.

(19.2)  Mention the thermal power plant which supplies power to it.

(19.3)  Mention the source of water for this plant.

Analyse the economic and social values of rainwater harvesting.