Answers

2015-02-01T14:45:19+05:30
It is due to Melanin.. cels
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2015-02-01T14:46:46+05:30
Pigment of skin is due to the presence of Melanin in it. Those people who have excess of melanin in their body, have darker skin.. Whereas, those people who have very small amount of melanin in their body, have fair skin.
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