Daily Archives: February 15, 2008

Rural-Urban Links in India

 Health and Education: It is now commonplace for rural residents to travel to the nearest town to access specialised healthcare and higher education. As government continues to be fraught with bureaucratic procedures and inefficient services, more and more people are … Continue reading

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Fossil Fuels:Origin, Statistics and Implications

Origin According to the biogenic theory, petroleum is formed from the preserved remains of prehistoric zooplankton and algae which have been settled to the sea (or lake) bottom in large quantities under anoxic conditions. Over geological time this organic matter, … Continue reading

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Fossil Fuels

Fossil fuels or mineral fuels are fossil source fuels, that is, hydrocarbons found within the top layer of the earth’s crust. They range from very volatile materials with low carbon:hydrogen ratios like methane, to liquid petroleum to nonvolatile materials composed … Continue reading

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GPS Systems

Global Positioning Systems (GPS) are space-based radio positioning systems that provide 24 hour three-dimensional position, velocity and time information to suitably equipped users anywhere on or near the surface of the Earth (and sometimes off the earth). Global Navigation Satellite … Continue reading

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