The line would have to pass through at least two points.
This process is known as thermohaline circulation. In the Earth's polar regions ocean water gets very cold, forming sea ice. As a consequence the surrounding seawater gets saltier, because when sea ice forms, the salt is left behind. As the seawater gets saltier, its density increases, and it starts to sink.
I'd say D, as we don't affect the earth as we get more of it.
It’s c bestie, or the third one down
When the Aryans ruled over the region