How Can We Reduce The Amount Of Traffic...
Motoring1 min ago
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For more on marking an answer as the "Best Answer", please visit our FAQ.I'd say 11 is slightly on the young side of average. My brother was about 15 when his broke, though it did it very gradually and never 'cracked', but he was a fairly late developer. Average age for voice to start changing is 13-14 and it usually occurs after pubic hair starts to grow.
This is an american site, but might be helpful - it is aimed at kids/teens as well as adults (though, you might want to have a look through it first) http://www.puberty101.com/
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