Which one of the following pairs is correct ?

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Q: 98 (MPPSC/2011)

Which one of the following pairs is correct ?

question_subject: 

Science

question_exam: 

MPPSC

stats: 

0,8,10,8,3,3,4

keywords: 

{'concentric zone theory': [0, 0, 0, 1], 'fused growth theory': [0, 0, 0, 1], 'sector theory': [0, 0, 0, 1], 'griffith taylor': [0, 0, 0, 2], 'alfred weber': [0, 0, 0, 1], 'homer hoyt': [0, 0, 0, 1]}