Under the Antarctic continent, you'll find the earth's mantle and core, as you would under any continent.
Ninety-eight percent of the continent is covered with an ice sheet, and the soil is frozen under it.
Antarctica is its own continent.
No, Antarctica is a continent.
There are no commercial fishermen in Antarctica.
Antarctica
Since 98% of the continent is covered by an ice sheet, it is difficult to see 'cracks in the ground' in Antarctica. Otherwise, these would be known as canyons.
Antarctica is a continent, so yes: under its ice sheet, there is land.
There is no mining allowed in Antarctica under The Antarctic Treaty.
Sand is not common in Antarctica, even at the edges of the continent.
All animals in antarctica have fat deposit under their skin.
There is no mineral extraction in Antarctica, as it is protected from such activity under international treaty.
Governments sponsor scientific study in Antarctica, and that is the only activity allowed in Antarctica under the Antarctic Treaty.