Answer:
I go in hard come out soft. Blow me hard and Iβll make a pop.
Die without me, never thank me. Walk right through me, never feel me. Always watching, never speaking. Always lurking, never seen. What am I?
The last man on Earth received a phone call, who was the caller?
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?
I have numbers on my face but can't find 13 any place. 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?