Answer:
In a tunnel of darkness lies a beast of iron. I can only attack when pulled back. What am I?
The more you take the more you leave behind. What am I?
I lose my head in the morning and regain back it at night.
What starts with an 'e' and ends with an 'e' but only has one letter?
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?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?