Near enough to zero.
Because Antarctica is a "polar" region, there is no precipitation, it has no lakes or rivers and is in fact the driest continent.
The interior of Antarctica is considered the world's driest desert because the extreme cold freezes water vapour out of the air.
Around 0.03%
Average humidity on the Antarctic continent is less than five percent: it is a desert.
Antarctica is the driest continent on earth with an average humidity of about five percent.
Antarctica is the driest continent on earth, because there is almost no precipitation there: average humidity is about five percent.
Antarctica is a polar desert with an average humidity of five percent. It is the driest continent on earth.
All of Antarctica is dry -- it's the driest continent and the earth's largest desert.On average, Antarctica is the driest place on earth with an average humidity of about five percent.
The entire continent of Antarctica is considered a desert, because the average humidity there is about five percent.
Generally, rust requires moisture. Antarctica is the driest continent on earth with an average humidity of about five percent.
The process of decomposition requires heat and humidity. Antarctica is the coldest continent on earth with a humidity average of about five percent. These facts combine to preserve waste and prevent its decomposition.
Average humidity on the Antarctic continent is about five percent, qualifying the continent as a desert. It is the driest continent on earth.
No much. Average humidity on the continent is five percent. It is the driest continent on earth.
Because it's so cold, most moisture over Antarctica evaporates. The average humidity is only about five percent.
Antarctica's average humidity is about five percent. For a continent which is the size of USA and Mexico combined, this makes Antarctica a desert. On the northern coasts, there may be as much as eight inches of precipitation per year, and elsewhere, precipitation is negligible.