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प्रश्न
Energy from various sources is considered to have been derived from the sun. Do you agree? Justify your answer.
उत्तर
Yes, the various energy resources like ocean thermal energy, wind energy, fossil fuels, etc. derive there energy from sun. The ocean thermal energy is due to the uneven heating of the different layers of ocean by sun. The wind energy is due to the uneven heating of the land at different location. The fossil fuel is obtained from the dead remains of the plant and animal. The existence of the plant and animal depends on the sun.
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