What is so fragile that saying its name breaks it?

What do you answer even though it never asks you questions?

What will you call your mother's brother's brother-in-law?

There are 2 cops parked along a one-way street looking for traffic violations. They spot a taxi driver going in the wrong direction, yet they do nothing.

Why?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is enough for all of us, we will have one each. How can this be possible?

I have teeth but i don't bite. Who Am I ?

It is always ahead of me yet I can never see it. What is it?

I look at you, you look at me, I raise my right, you raise your left. What am I?

What English word has three consecutive double letters?