I am five letter word that is under you.
If you remove my 1st letter, then I am over you.
If you remove my 1st and 2nd letters then I am all around you.

Who am I?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

What has many teeth, but cannot bite?

Consider this: Arnold Schwarzenegger has a big one. Michael J. Fox has a small one. Prince doesn’t have one. The Pope has one but never uses it. Bill Clinton has one and uses it all the time. What is it?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

Prove that the below maths equation is true.

8 + 8 = 91

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

How is a fly different from a mosquito?

How is the moon similar to a dollar?

Which is the rope you never skip with?