Answer:
We are all around, yet to us you are half blind. Sunlight makes us invisible, and difficult to find.
Break it and it is better, immediately set and harder to break again.
I fly through the air on small feathered wings, seeking out life and destroying all things.
What has roots as nobody sees, is taller than trees. Up, up it goes, and yet never grows?
What is put on a table, cut, but never eaten?
I start with T end with T and within me is T.
Difficult
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?