Q: 1 (CDS-II/2016)


Which one of the following gases is released mostly from landfills in urban areas?
question_subject: 
Science
question_exam: 
CDS-II
stats: 
0,18,35,5,9,38,1
keywords: 
{'gases': [0, 0, 5, 12], 'landfills': [0, 0, 0, 2], 'methane': [0, 0, 0, 5], 'nitrogen': [1, 1, 0, 2], 'oxygen': [3, 0, 1, 0], 'hydrogen': [0, 0, 1, 3], 'urban areas': [0, 0, 0, 1]}

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