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- 1291117
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- 注册时间
- 2017-7-16
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- 1970-1-1
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structure: P1, phenomenon+reason 1; P2, however, counter-evidence(faster than the body mass), reason 2; counter-evidence (all societies); P3: a more plausible explanation
content: the average volume of the human brain has decreased. R1: human body mass, R2: genetic mutations responding to the survival risk; R3: fewer conflicts and more cooperation
attitude: objective
words: musculature, skeletal, mutation |
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