<h2>B) Voice gets deeper and growth of facial hair</h2><h2 /><h3>Explanation:</h3><h3 />
Puberty is the time in life when a boy or girl matures sexually mature. It is a method that normally occurs between ages 10 and 14 for girls and ages 12 and 16 for boys. It creates physical changes and transforms boys and girls differently. In girls: The first sign of puberty is normal breast development.
<span>B is the correct answer. Signs of puberty in boys include his voice 'breaking' or getting deeper as the larynx ('voice box') descends, and the growth of facial hair. These are known as secondary sex characteristics.</span>
