On the other hand, firewood, cow-dung cakes and vegetable waste etc. _____ non commercial forms of energy.
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SSC CGL Tier-1 (Shift-2)
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coal is the _____ source of commercial energy in India.
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and non commercial sources. The most _____ sources of energy today are coal and natural gas
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While non commercial forms of energy _____ demand,
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The _____ of energy in India are met from both commercial
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