Answer:
What contains zero calories, but if you consume it, you will probably gain weight?
I'm a god. I'm a planet. I measure heat.
I fly through the air on small feathered wings, seeking out life and destroying all things.
Whoever makes it, tells it not. Whoever takes it, knows it not. Whoever knows it, wants it not
Two in a whole and four in a pair. And six in a trio you see. And eight's a quartet but what you must get. Is the name that fits just one of me?
What did the piece of wood say when he saw the screwdriver and screws approaching?