Answer:
What language does a billboard speak?
Angels and pilots work with me.
Always in you, sometimes on you. If I surround you, I can kill you. What am I?
I am flora, not fauna. I am foliage, not trees. I am shrubbery, not grass. What am I?
In a tunnel of darkness lies a beast or iron. It can only attack when pulled back. What is it?
A word of five letters, Upside down is the same, A shark does this, But itβs not to blame. What is the word?