.必修8Module 1 Deep SouthAntarctica: the Last ContinentAntarctica is the coldest place on Earth. Its also the driest. With annual rainfall close to zero, Antarctica is technically a desert. Covering about 14 million square kilometers around the South Pole, it is the fifth largest continent in the world. A high mountain range, the Trans-Antarctic range, runs from east to west, cutting the continent in two. There are volcanoes too, but they are not very active. Antarctica holds 90% of