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Which of the following is correctly described as a green (environment-friendly) energy source in the chapter?
ACoal
BUranium
CSunlight
DNatural gas
Answer & Solution
Correct answer: C. Sunlight
1. Green energy comes from sources that are perpetual and do not cause the pollution problems of fuels.
2. Sunlight, wind, water reservoirs and biofuels are given as such sources.
3. Coal, uranium and natural gas are fuels that cause pollution or waste problems, so they are not green.
4. Thus sunlight is the green source here.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology Part 2, Ch 5 "Towards Green Energy", p.62_
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