The passengers of the Titan submarine could suffer not only from a lack of oxygen

The oxygen has now run out. At this point in the story we have to be realistic: the hopes that the five passengers of the Titan are still alive collapse into the deepest darkness of the abyss. It would take a miracle to bring them back up safely, because unfortunately science says otherwise.

There is a significant detail that is now seriously worrying: the exhalation of carbon dioxide in that narrow and cold space shared by