Biology, asked by amrit104930, 6 months ago

please answer my quation.​

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Answered by jiyachauhan7
1

Answer:

a. In girls:1 menarche period begun .

2.hairs on face and all body parts.

3. height increases.

In boys: gradually voice starts to cracking.

2.Moustache on face.

3. Penis and scrotum become enlarged.

b. Reckless female foeticide is the abortion of female foetus using illegal methods. It brings the great difference in the number of females as compared to makes.

c. Barrior methods: condom, cervical cap

Surgical methods :vasectonomy, tubectonomy

Natural methods

d. 1 Birth rate .

2. Death rate.

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