The highest grade and best quality coal is

examrobotsa's picture
Q: (SSC/0)
The highest grade and best quality coal is

question_subject: 

Geography

question_exam: 

SSC

stats: 

0,119,14,7,2,5,119

keywords: 

{'best quality coal': [1, 0, 0, 0], 'lignite': [3, 0, 0, 0], 'peat': [2, 1, 2, 2], 'highest grade': [1, 0, 0, 0], 'anthracite': [2, 1, 2, 1], 'bituminous': [1, 0, 2, 0]}