Answer:
I am what bring things together. Without me everything you see would be a total mass or debris everywhere.
I am pronounced as one letter, written with three. I come in blue, black, brown, or grey. Reverse me and I read the same either way. What am I?
I have roots nobody sees. I am taller than trees. Up up I go but I never grow.
I am a creature with a βtightβ name.
I am a type of cheese made backwards
What is lighter than what it is made of?