geekworking , 6 days ago Rule of 3's. You can go 3min without oxygen, 3 hrs without shelter, 3 days without water, and 30 days without food. It is a bit of generalization, but its close enough to set priorities in survival situations.
Rule of 3's. You can go 3min without oxygen, 3 hrs without shelter, 3 days without water, and 30 days without food. It is a bit of generalization, but its close enough to set priorities in survival situations.