Dear youngsters, could you answer the following questions.

1. I’m white; perfect for cutting & grinding. For most animals I am a useful tool. What am I?
2. I am always around you but often forgotten. I am pure and clean most time, but occasionally rotten. What am I?
3. I am the only thing that place today before yesterday. What am I?
4. I may only be given but never bought. Sinners seek me but saints do not. What am I?
5. I will disappear every time you say my name. What am I?
6. I have two bodies joined together as one. When standing still. I ran and ran. What am I?

Answers to last week questions:

1. Watermelon
2. Makeup
3. Clock
4. Bowling Ball
5. Pearl
6. Last Name