Questions on 'space technology' category
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166
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130
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136
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124
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112
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121
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1
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188
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0
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131
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130
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280
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1
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446
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1
answer
383
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0
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1
answer
348
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0
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0
answer
378
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0
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1
answer
413
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0
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0
answer
422
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0
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1
answer
389
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0
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1
answer
361
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0
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0
answer
387
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0
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1
answer
444
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0
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0
answer
357
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0
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1
answer
401
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0
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0
answer
370
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0
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0
answer
359
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1
answer
466
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0
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0
answer
399
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1
answer
456
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0
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1
answer
404
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0
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1
answer
517
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0
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1
answer
506
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0
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1
answer
399
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0
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1
answer
427
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0
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1
answer
458
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0
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1
answer
433
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0
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1
answer
519
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