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

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

What can you catch but never throw?

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

If a boy blows 18 bubbles,
Then pops 6 eats 7 and then
He pops 5 and blows 1.
How many are left?

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

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

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

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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?

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?