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प्रश्न
Which statement expresses the Second Law of Thermodynamics?
पर्याय
Energy can neither be created nor destroyed, only transformed.
All solar radiation reaching the surface is trapped by green plants.
Every energy transformation involves some loss as unusable heat.
Energy is cyclic and repeats through ecosystems.
MCQ
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उत्तर
The Second Law of Thermodynamics states that every energy transformation has some loss as unusable heat. This loss occurs during energy transfers in ecosystems.
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