Hanging On For Life
Harrison knew that he needed all of his energy, so he clung to his makeshift raft as much as he could. Using any energy to stay afloat could take away from his energy to stay alive...
Losing Oxygen
One of his worst fears was coming to fruition. He was losing oxygen. The air was getting thinner and thinner and he was finding it hard to breathe. How much oxygen did he have left? How long could he survive underwater?
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