Answer:
Without this, H2O would just be 2O
Mostly worn by women or girls, this is sometimes shiny like silver or gold, and sometimes it is made of pearls.
What is the word that even in plain sight remains hidden?
Often wandering the streets, this group of people cannot afford to be choosers.
What is as light as a feather, but not even the strongest man on earth can't hold it for more than 1 c)minute?
You kick me, you punch me, and you beat me up all class. When you leave, you don't even say thanks for allowing you to beat me up. What am I?