Q: 31 (SCRA/2009)
question_subject:
Geography
question_exam:
SCRA
stats:
0,13,16,1,5,13,10
keywords:
{'principal gases': [0, 0, 1, 0], 'atmosphere': [1, 1, 4, 7], 'volumetric proportions': [0, 0, 1, 0], 'nitrogen': [1, 1, 0, 2], 'oxygen': [3, 0, 1, 0], 'argon': [2, 0, 3, 6], 'carbon': [1, 0, 4, 5], 'order': [6, 12, 34, 35]}