questions on the basis of self-incrimination, the decision was framed in terms of. those warnings, but the Court twice noted that it had not decided, and was not de-. ciding, ââwhether any Fifth Amendment warnings whatever are constitutionally re-. quired for grand jury witnesses.
No. It is the driest continent. Average humidity is about five  percent.   Antarctica is the coldest, highest and driest continent on the  planet, it also occupies 10% oâ¦f the earth's surface.   The dry valley region in Antarctica is one of the driest places on  earth. The Attacama Desert is recognized as the driest place on  earth.
About 98% of Antarctica is covered by ice that averages 1.9 kilometres (1.2 mi) in thickness, which extends to all but the northernmost reaches of the Antarctic Peninsula. Antarctica, on average, is the coldest, driest, and windiest continent, and has the highest average elevation of all the continents.Antarctica is considered a desert, with annual precipitation of only 200 mm (8 in) along the coast and far less inland.inson Massif, the highest peak in Antarctica at 4,892 m (16,050 ft), is located in the Ellsworth Mountains. Antarctica contains many other mountains, on both the main continent and the surrounding islands. Mount Erebus on Ross Island is the world's southernmost active volcano.