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Which one of the following is a major constituent of Biogas ? A. Carbon dioxide B. methane C. hydrogen D. nitrogen dioxide

Which one of the following is a major constituent of Biogas ?  
 
A. Carbon dioxide
B. methane
C. hydrogen
D. nitrogen dioxide

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60787 Points
3 years ago
Answer :

B. methane


Thanks

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