Answer:
What has roots that nobody sees, and is taller than trees. Up, up it goes, and yet it never grows.
What gets bigger the more you take away from it?
You'll have to consult an optometrist if you want to improve this.
Lots of them make up a word, And lots of words are in them. It's easy when you think about it. A while ago we stamped and mailed them.
What heavy seven letter word can you take two away from and be left with eight?
What is always coming but never arrives?