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?
Always in you, sometimes on you. If I surround you, I can kill you. What am I?
I am a king who’s good at measuring stuff. What am I?
Until I am measured, I am not known. Yet, how you miss me when I have flown. What Am I?
I have a few points but we're not competing. I'll help you win when you're eating. What am I?
The warmer I am the fresher I am.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic