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why hair become gold colour?
The hair colour of foreigners will be gold colour because they have the less proportion of melanin in them. the color of skin , hair, etc depends on the proportion of melanin . melanin is a pigment synthesised by the body. if there is more exposure to sunlight then more melanin is synthesised. since in forien contries the temp is low less amount of pigment is synthesised. and lesser the pigment, less dark is the color of hair. etc.


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