Sam was confused about sudden change in his voice and the growth of facial hair. What could be the reason for these changes.
I expect a good answer from you people.
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The reason for this is was the start of puberty.Puberty is the period of change between adolescence and childhood.
In this period your testis start producing a hormone known as testosterone . This hormone causes the voice to become deeper , hair growth on all parts of body eg- moustache.
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