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The excerpt represents the core issue or deciding factor on which you must meditate, and is drawn from 20,000 Leagues Under the Sea by Jules Verne: When I returned on board, I was nearly suffocated by the carbonic
acid with which the air was filled--ah! if we had only the chemical
means to drive away this deleterious gas. We had plenty of oxygen;
all this water contained a considerable quantity, and by dissolving
it with our powerful piles, it would restore the vivifying fluid.
I had thought well over it; but of what good was that,
since the carbonic acid produced by our respiration had invaded
every part of the vessel? To absorb it, it was necessary to fill
some jars with caustic potash, and to shake them incessantly.
Now this substance was wanting on board, and nothing could replace it.
On that evening, Captain Nemo ought to open the taps of his reservoirs,
20,000 Leagues Under the Sea |
