Questions on 'science' category
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249
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0
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250
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0
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0
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249
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0
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0
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234
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0
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0
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229
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0
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0
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227
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0
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0
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2159
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0
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0
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903
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0
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0
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1020
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0
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0
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994
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0
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0
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1044
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0
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0
answer
923
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0
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0
answer
942
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0
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0
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904
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0
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0
answer
799
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0
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0
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937
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0
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0
answer
837
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0
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0
answer
923
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0
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0
answer
843
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0
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0
answer
907
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0
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0
answer
844
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0
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0
answer
438
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0
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0
answer
456
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0
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0
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425
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0
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0
answer
456
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0
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0
answer
451
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0
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0
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536
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0
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0
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386
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0
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0
answer
849
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0
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0
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440
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0
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0
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434
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0
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0
answer
459
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0
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0
answer
407
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0
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0
answer
426
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0
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0
answer
469
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