Answer:
What language does a billboard speak?
Lighter than what I am made of, more of me is hidden than is seen. What am I?
I'm white and I'm used for cutting and grinding. When I'm damaged people usually remove me. What am I?
I march before armies, a thousand salute me. My fall can bring victory, but no one would shoot me. What am I?
What has 4 fingers and a thumb but isn't alive?
Why was the cook arrested?