Describe any three advantages of satellite communication in India.
Satellite images can be used for the:
(i) Weather forecast.
(ii) Monitoring of natural calamities.
(iii) Surveillance of border areas.
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.