Answer:
I always follow you around, everywhere you go at night. I look very bright to people, but I can make the sun dark. What am I?
I go in dry and come out wet. The longer I stay in the stronger my surroundings get.
I drift forever with the current and flows to your everyday life. I make living easy but I am good at killing people too.
What has keys but no locks a space but no room and you can enter but can't go in?
What can be as big as an elephant but weighs nothing?
A little house full of meat, no door to go in and eat.