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प्रश्न
Biogas is formed in the ____________.
विकल्प
presence of air only
presence of water only
absence of air only
presence of water and absence of air
MCQ
रिक्त स्थान भरें
उत्तर
Biogas is formed in the presence of water and absence of air.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
