Answer:
I am what bring things together. Without me everything you see would be a total mass or debris everywhere.
What is black when you buy it, red when you use it, and gray when you throw it away?
Pronounced as one letter but written with three always in evil never in good and always in zebra never in animal. What is it?
I jump when I walk and sit when I stand. What am I?
I go up and down at the same time. Up towards to sky and down towards the ground. What am I?
When is it bad luck to see a black cat?