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

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

You can see it everyday, But cannot touch it at will. What is it?

There is something which is always coming but never arrives?

What is always in front of you but can’t be seen?

I am the black child of a white father, a wingless bird, flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me, even though there is no cause for grief, and at once on my birth, I am dissolved into air. What am I?

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

What English word has three consecutive double letters?

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?