Answer:
People see through me, but none pass through without killing me. I can be anywhere, and can be seen double or single. What am I?
Better touch me before you proceed to second.
I am there when you sit, but gone when you stand. What am I?
There is one in every corner and two in every room.
Things here are usually tagged with red stickers.
Why is the letter B always cool?
What am I?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic