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

What goes up but never comes down?

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

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

Which five letter word can be added at the end of below word to form a
valid word?

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

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

What English word has three consecutive double letters?

Name the three-letter word that can complete the below words:

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

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?