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प्रश्न
Which of the following is a commercial source of energy?
विकल्प
Coal
Agricultural waste
Animal dung
Firewood
MCQ
उत्तर
Coal
shaalaa.com
Energy
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
Which of the following is a commercial source of energy?
Coal
Agricultural waste
Animal dung
Firewood
Coal