There is something which is always coming but never arrives?

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

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?

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

It belongs to you, but other people use it more than you do. What is it?

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

A horse was tied to a rope 5 meters long and the horses food was 15 meters away from the horse. How did the horse reach the food?

Jack and Joseph are well-known golf rivals. One Day during a match, they were level at a score of 30. Jack hit a bad shot and Joseph added 10 to his score. Joseph then hit an awesome shot and he won the game.

How ?

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

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