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?
I go up, let out a load and then go back down. What am I?
I belong to everyone. Sometimes make you happy sometimes make you sad. I will never end until the day you do.
I am a mountain at night meadow at day
What goes up a chimney down but can't go down a chimney up?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?