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प्रश्न
An alternative source of energy is ______.
विकल्प
petrol
forest wood
solar energy
chemical energy
MCQ
रिक्त स्थान भरें
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उत्तर
An alternative source of energy is solar energy.
Explanation:
Solar energy is an alternative energy source because it is renewable, clean, and naturally replenished. It can replace conventional fuels such as petrol and wood, which are limited and can cause pollution.
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