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

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 has 88 keys?

I have eight fingers and two thumbs but I do not live. What Am I?

What two things can you never eat for breakfast?

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

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

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

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It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

Why is it against the law for a man living in Delhi to be buried in Mumbai?