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

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

If a boy blows 18 bubbles,
Then pops 6 eats 7 and then
He pops 5 and blows 1.
How many are left?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What 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 do you answer even though it never asks you questions?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

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?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

What goes up but never comes down?