question_subject:
Geography
question_exam:
IAS
stats:
0,253,60,44,4,253,12
keywords:
{'troposphere': [6, 1, 1, 1], 'ionosphere': [1, 0, 0, 0], 'stratosphere': [1, 0, 1, 0], 'atmosphere': [1, 1, 4, 7], 'different layers': [0, 1, 0, 0], 'mesosphere': [2, 0, 0, 0], 'earth': [0, 1, 1, 1], 'surface': [1, 0, 0, 0]}