Réponse:
Maybe I can answer your first question
Explications:
*Who: to talk about the person, for example: Ahmed who won the title of handsome, or we use it to ask about someone. like "who is this?"
*Where: to ask about the location
*How:
1. in what way or manner; by what means.
"how does it work?"
2.used to ask about the condition or quality of something.
"how was your holiday?"
3.It is also used to ask about the quantity or price of something
And *When: used to ask about time
