Question

give reasons for each of the following
1. the voice of adolescent boys sometimes cracks and becomes hoarse for a few days.
2. adolescence undergoing puberty experience a sudden increase in there heights.
3. adrenaline is also called the emergency hormone.
4. tadpoles that do not live in saltwater do not develop into frogs.

Answer 1

1- because of the development of Adam apple.
2-due to the secretion of growth hormone.
3-because it is secreted during situations where your body needs to react quickly.
hey mate this is the answer of your question. I think it will help you. Sorry I forget the reason of last one.