Questions on 'space technology' category
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192
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1
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235
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0
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192
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0
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0
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214
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0
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1
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276
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0
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0
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217
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0
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0
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181
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0
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0
answer
185
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0
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0
answer
171
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0
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0
answer
165
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0
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0
answer
175
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0
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1
answer
248
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0
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0
answer
183
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0
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0
answer
181
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0
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0
answer
335
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0
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1
answer
515
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0
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1
answer
451
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0
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1
answer
412
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0
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0
answer
446
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0
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1
answer
482
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0
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0
answer
492
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0
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1
answer
459
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0
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1
answer
430
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0
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0
answer
460
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0
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1
answer
513
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0
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0
answer
415
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0
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1
answer
483
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0
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0
answer
433
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0
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0
answer
422
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0
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1
answer
529
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0
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0
answer
471
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0
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1
answer
534
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0
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1
answer
464
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0
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1
answer
585
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0
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1
answer
574
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