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genderma genderma
wrote...
Posts: 4967
8 years ago
It is safe to say that color vision is relatively mature by
A) 2 months of age.
B) 6 months of age.
C) 12 months of age.
D) 18 months of age.
Textbook 
The World of Children

The World of Children


Edition: 3rd
Author:
Read 656 times
3 Replies
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yariyari
wrote...
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Posts: 8207
8 years ago
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genderma Author
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8 years ago
This is wonderful, happy to have signed up Grinning Face
wrote...
8 years ago
Don't mention it!
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