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The non-renewable source of energy among the following is :
Natural gas is a fossil fuel which is a non-renewable source.
Which of the following is not an example of a biomass energy source?
Most of the sources of energy that we use represent stored solar energy. Which of the following is not ultimately derived from the sun's energy?
The constituent of biogas which makes it an excellent fuel is :
The major component of biogas is :
Which of the following is more environment friendly ?
Which one of the following is not renewable energy technology?
The rise of sea-water during high tide is caused by the gravitational pull of the:
One of the following is not required in the formation of biogas in a biogas plant. This is:
The fuel which is not obtained from biomass is:
Geothermal energy is produced by the:
The harnessing of which of the following leads to the destruction of large eco-systems?
Which of the following is not a consequence of establishing hydroelectric power plants ?