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Home Q & A Board Science-Related Homework Help Psychology
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Skip91 Skip91
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9 years ago
Unlike false smiles, Duchenne smiles always involve the __________ muscles.
Textbook 
Biopsychology

Biopsychology


Edition: 9th
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Learning Bio-psychology @ Seattle University
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poker.facepoker.face
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9 years ago
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Skip91 Author
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9 years ago
Smart ... Thanks!
nicolepope23
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Yesterday
this is exactly what I needed
kriggs62
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2 hours ago
Helped a lot
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