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?

I taste better than I can smell. Who am I?

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 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

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

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

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?

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

The more it dries, the wetter it becomes. Can you tell what it is?