Answer:
I cost no money to use, or conscious effort to take part of. And as far as you can see, there is nothing to me. But without me, you are dead.
The root tops the trunk on this backward thing, that grows in the winter and dies in the spring.
What is seen in the middle of March and April that can’t be seen at the beginning or end of either month?
Runs smoother than any rhyme, loves to fall but cannot climb!
He stands beside the road. In a purple cap at tattered green cloak. Those who touch him, curse him.
What language does a billboard speak?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?