When you're far from civilization, mind the "rule of threes:" Humans can survive for roughly three minutes without oxygen, three hours without basic shelter in hostile environments, three days without water, and three weeks without food. In most cases, the weather is unlikely to be fatal within hours, so finding water should be your first priority.
How to Find Water in a Survival Situation | Tactical Experts | TacticalGear.com
Establishing reliable access to clean water is one of the first steps in surviving outdoors. These broad principles apply to most survival situations.
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