depends on their statecould be years or days
My favorite is saveonelife.net There is also hemophilia.org There are many others as well.
No they do not exist, but they do have an animal called one.
Advanced Cardiac Life Support (ACLS) certification is good for 2 years from the date of issuance. After that point, one must re-certify.
The moon's lack of atmosphere and extreme temperatures make it unable to support life as we know it. The absence of air, water, and organic compounds essential for life makes it impossible for any form of life to exist on the moon.
No one. They are not real and do not exist.
Life probably does not exist on any of the known planets (except earth). But if life does exist on one of those planets, it would probably be on Mars. Venus is way too hot, Mercury does not have an atmosphere, and the other four planets are made up almost entirely of gas.
Life support means keeping one alive when their body is unable to do this on it's own. The decisions as to when to take someone off life support is taken by doctors.
One yer
No. Although there may one have been life on Mars, it would have consisted of tiny, single-celled organisms. If life did exist on Mars, it almost certainly died out long ago.
An uninhabitable region is one that cannot support human life and settlement.
No, vampires are fictional. They do not exist in real life - there is no one on earth who "has no reflection in a mirror".
No one knows