question_subject:
Science
question_exam:
NDA-I
stats:
0,18,37,15,13,12,15
keywords:
{'frost action': [0, 0, 0, 1], 'freezethaw action': [0, 0, 0, 1], 'crystallization': [0, 0, 0, 7], 'mechanical weathering': [1, 0, 0, 4], 'hydration': [0, 0, 1, 0]}