Define the term 'road density.'
Density of roads is length of roads per 100 square km of area.
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.