Answer:
I bring light to a dark world. In a current I travel and through tunnels I am hurled. Touch me and I'll kill you. What am I?
Teenage girls are pros at creating me. Learn me in classes.
My first half means container. Not a lot of people understand my language.
I'm an old relative who's hand's can't hold anything and eyes canβt see anything
I have roots that no one sees and I am taller than trees. Up, up I go, but never do I grow. What am I?
I am rarely touched but often held. If you are smart you'll use me well. What am I?