Answer:
War fought with pieces on a board.
Without coolant, you'll have some trouble with this.
What gives life and love, and is there till they die? What can hide you and find you, heal you and feed you but should never give up on you?
What two letters in the alphabet say goodbye?
It's shorter than the rest, but when you're happy, you raise it up like it's the best. What is it?
All about, but cannot be seen, Can be captured, cannot be held, No throat, but can be heard. Who am I?