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

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

By using 'because' continuously three times, can you make an English statement ?

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?

Can you name some countries which do not have the alphabet 'A' in them?

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

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

What goes up but never comes down?

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?

I am the first thing you need while camping.
I am always with the person named Marcos Valencia and Carrick.
But Pogba Zlatan and Rooney think I am wasteful and do not need me.
I am the second to the last thing to add when you are making a patch.

What am I?