Answer:
I am partially baked. I am not completely lit. I am a portion of the moon. I am lesser than full wit. I am a divider of the hour. I am not a total lie. I am a sibling through one parent.
Without this, H2O would just be 2O
Soldiers fight it but never changes.
What can be measured but has no length, width or height?
What starts with the letter T, is filled with T and ends in T?
Why was the cook arrested?