Riddle #28

You will always find me in the past. I can be created in the present, but the future can never taint me. What am I?

What makes grown men cry, but humanity would go extinct without it?

Red through and through, it has no mouth. But it eats many things; it fears water but not wind.

Jack throws a bucket of water from his balcony! Why?

What is invisible and makes people suffer from symptoms like sweating and nausea, yet people can’t survive without it?

What jumps when it walks and sits when it stands?

I am a white box having no key or any lid. Yet there is a golden treasure inside it. What Am I ?

A natural state, I'm sought by all. Go without me and you shall fall. You do me when you spend, and use me when you need to eat to no end.

With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?

Where do bedtime books sleep?

How can you drop a raw egg from a height onto a concrete floor without cracking it?