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The effects of oxygen are increased at depth so that the maximum PO2 in diving is 1.6 ATA, and this is achieved at 218 fsw breathing air, 132 fsw breathing 32% O2, and 20 fsw breathing 100% O2. This is due to the effects of Dalton's Law which states that on descent, the partial pressure of all component gases increase in the same ratio as the total pressure. this results in the creation of the elevated pO2 that causes the convulsions of O2 toxicity
(taken from http://Scuba-doc.com/o2tox.htm)
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there are several reasons. One is the effects of nitrogen narcosis, which is when you go below 100 feet in the water, you get the effects of laughing gas. the other is caused by oxygen toxicity, which is when you are breathing pure oxygen deeper than 130 feet. These are all caused by Boyle's law, I think.
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How criminal law works?
it applies for everyone who crosses the law
