Answer:
Lighter than what I am made of. More of me is hidden than seen. What am I?
I am a seed with three letters in my name. Take away the last two and I still sound the same. What am I?
I'm white and used for cutting and grinding. When I'm damaged, humans usually remove or fill me. For most animals I am a useful tool. What am I?
Drop me and the world will shatter. You can always find me where you empty your bladder.
I'm a god a planet and a measurer of heat. Who am I?
What language does a billboard speak?