What can you catch but never throw?

What goes up but never comes down?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

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

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

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

What is it?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

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

Living above a star, I do not burn
Eleven friends and they do not turn
I can just be visited in a sequence, not once or repeatedly
PQRS are my initials
Can you tell my name accurately?

There is something which is always coming but never arrives?