Answer:
I shoot but never kills
Born in the ocean and white as snow. When I fall back to water I disappear without a trace.
I am taken from a mine and shut in a wooden case from which I am never released. Yet I am used by almost everybody. What am I?
I am the kind of ant that's good at math.
I am often sold by children entrepreneurs in summer time
No matter how little or how much you use me, you change me every month.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic