Answer:
Iām white; perfect for cutting & grinding. For most animals I am a useful tool.
I am the beginning of eternity the end of time and space the beginning of every end the end of every place.
I am the thing that is used to make your weight. What am I?
What is black when you buy it red when you use it and gray when you throw it away?
What's the capital of France?
When is it bad luck to see a black cat?