Answer:
A stylish winter top that covers your larynx.
Without this, H2O would just be 2O
Split me in half, and you get me and another me. What word am I?
I am not alive, though I never die, to no one I've ever told a lie, today I can be god's warrior, and serve him with no horror, but tomorrow I might be devil's knight, for I am what ends the light.
I am a king but also a common device of measure. What am I?
I am a room that has a roof but no walls. What am I?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?