A is correct as that is the only one having to do with some sort of Latin culture:)
What does Earth have that other planets don't, the basis of life? Water, of course.
Humans and other mammals drink specifically <em>freshwater</em> though, which is far more precious and less abundant than saltwater.
They will have to adapt to climate.
If my memory serves me well, the answer should be: When the Congo River reaches Kinshasa, <span>it flows slowly into the Atlantic. Congo River is the second largest lake in the world. It takes a long way to reach the Atlantic: In the middle it flows towards Matadi and divides into several arms and finally it freely flows into the Atlantic.</span>