Respuesta :
B ocean has too much salt to drink it, we would become even more dehydrated by drinking it. It's not A or C because we drink fresh water. And since ocean water is too salty to drink it doesn't matter how much pollutant it has. Hope this helps. :)
B. This is because drinking salty water would have the opposite intention of drinking water in the first place. You would become very dehydrated very quickly. Hope this helps:)