Why does the sea water in Antarctica not fall down?

 The question seems to imply a misunderstanding about gravity and the behavior of water in Antarctica. Sea water in Antarctica, like sea water elsewhere on Earth, is subject to the force of gravity, just like any other substance.

Gravity pulls all objects with mass towards the center of the Earth. This includes the water in the oceans, including the Southern Ocean that surrounds Antarctica. However, the gravitational force acting on the water is balanced by other forces, primarily buoyancy and pressure gradients, which keep the water in place and prevent it from "falling down."

In Antarctica, the ocean water is held in place by a combination of factors:

1. Buoyancy: Water is buoyant, meaning it tends to float or rise when submerged in a fluid. The denser, colder water near Antarctica sinks beneath the less dense, warmer water, creating a stable stratification of water layers. This buoyancy helps to keep the water in place.

2. Ocean Currents: Ocean currents play a significant role in redistributing water around the globe. In Antarctica, the circulation of ocean currents, including the Antarctic Circumpolar Current, helps maintain the movement of water around the continent, preventing it from accumulating in one place or "falling down."

3. Geographical Features: The shape of the Antarctic continent and the surrounding ocean basins also influence the movement and distribution of water. While gravity pulls water towards the Earth's center, the shape of the ocean floor and the presence of underwater features such as ridges and trenches help maintain the overall equilibrium of water in the region