Questions on 'space technology' category
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1
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445
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1
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399
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0
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340
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0
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1
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434
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0
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1
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445
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0
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1
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450
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0
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1
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442
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0
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1
answer
415
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1
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1
answer
638
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0
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1
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351
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0
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1
answer
716
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0
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1
answer
396
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0
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1
answer
483
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0
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1
answer
440
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0
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1
answer
550
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0
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1
answer
473
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0
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1
answer
537
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0
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1
answer
501
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0
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1
answer
409
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0
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1
answer
395
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0
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1
answer
535
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0
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1
answer
511
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0
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1
answer
377
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0
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1
answer
388
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0
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1
answer
504
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0
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1
answer
326
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0
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1
answer
343
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0
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1
answer
320
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0
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1
answer
402
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0
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1
answer
320
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0
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1
answer
345
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0
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1
answer
311
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0
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1
answer
411
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0
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1
answer
300
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0
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1
answer
538
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