CNN New Day April 18, 2014 10:06:00
Practicalities are weighing against what we're holding out here for hope of optimism. until we have the information we're going to stay in the cause of survivability. what is going to be the best indication of a chance of surviving here, the fact that it is barely below the surface so there must be air left? >> absolutely. the fact as large as it is, many people are still missing as they are, you are dealing with, you know, hypothermia issues and lack of oxygen. every time you exhale, carbon dioxide and that creates a lack of oxygen in that area. you're going to pass out from that. that said, ...
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