How do you appreciate the efforts of human beings to discover on alternative energy sources of coal and petroleum for their daily use?
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Coal and petroleum are exhaustible resources .they are widely used in our daily life.if we use them in this way, one day we find crisis of them. To meet the future needs scientists have worked on alternate resources .bio fuel,solar ,wind,tidal energy are renewable.hence I appreciate the efforts made to find alternate of coal..
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It was better fuel than coal and less pollutant so we are used using petroleum products for our needs like cooking transport and machinery, etc ,.
so we should appreciate the effort of all humans for the discovery of an alternative energy sources like coal and petroleum for their daily use .
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