Question 438 Deck Safety

The correct answer is C) under no conditions. Seawater is not suitable for drinking under any circumstances, as it contains high levels of salt and other minerals that can be harmful if consumed. The human body is not able to effectively process the high concentration of sodium and other salts found in seawater, and drinking it can lead to dehydration, electrolyte imbalances, and other serious health issues. The other answer choices are incorrect because: A) drinking any amount of seawater is not recommended; B) the salinity of seawater does not change significantly based on rainfall; and D) mixing seawater with fresh water does not make it safe for drinking, as the desalination process requires specialized equipment and techniques.