$(a)$ State two secondary sexual characteristics in mature boys and two in mature girls.

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Solution

The secondary sexual characteristics in mature boys are:

Facial hair growth in the form of a beard and a moustache.

Broadening of the shoulders and chest.

The secondary sexual characteristics in females:

Development of breasts.

Hips broaden and becomes more curved..

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(a) State two secondary sexual characteristics in mature boys and two in mature girls.

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