Questions on 'space technology' category
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281
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365
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408
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402
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0
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463
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375
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408
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379
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answer
369
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392
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376
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answer
376
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0
answer
380
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0
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answer
398
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0
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answer
351
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0
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0
answer
407
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0
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0
answer
398
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0
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0
answer
377
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0
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0
answer
358
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0
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0
answer
353
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0
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0
answer
378
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0
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0
answer
372
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0
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0
answer
297
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0
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0
answer
278
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0
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0
answer
222
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0
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answer
196
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0
answer
199
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0
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0
answer
221
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0
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0
answer
222
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0
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0
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188
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0
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194
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0
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0
answer
179
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answer
170
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answer
181
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answer
195
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