Questions on 'space technology' category
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58
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86
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77
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74
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68
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60
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68
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80
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67
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99
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94
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102
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0
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0
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75
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0
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0
answer
67
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0
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0
answer
70
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0
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0
answer
80
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0
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0
answer
60
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0
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0
answer
77
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0
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0
answer
73
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0
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0
answer
74
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0
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0
answer
157
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0
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0
answer
154
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0
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0
answer
199
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0
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answer
216
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0
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0
answer
392
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0
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0
answer
415
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0
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0
answer
397
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0
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0
answer
411
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0
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0
answer
440
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0
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407
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0
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answer
401
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0
answer
402
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answer
407
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answer
362
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answer
375
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