Can you survive in various deserts?
Urinate in your bottle, and drink up.
Sweat and drink it.
Look for a pond.
None of the above.
Betelgeuse
Alpha Centauri
Polaris
Rigel
Eat your leather wallet.
Don't eat at all. Humans can survive up to 3 weeks without food!
Go hunting.
Eat some plants that you see.
It isn't. Snow is water! It's just in ice-form!
Snow can lead to hypothermia, but at least it hyderates you.
Snow can dehyderate you further, and can cool you down.
Snow may very well have bacteria on it.