Questions on 'space technology' category
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91
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85
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77
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90
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81
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84
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79
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79
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85
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85
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77
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answer
134
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answer
134
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answer
327
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0
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answer
352
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answer
334
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0
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answer
346
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0
answer
377
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0
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0
answer
346
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0
answer
340
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0
answer
346
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0
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0
answer
350
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0
answer
304
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0
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answer
317
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answer
221
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answer
303
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0
answer
341
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0
answer
335
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answer
398
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answer
310
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answer
340
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0
answer
314
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answer
303
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answer
328
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0
answer
314
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