Since 1923.
Scientists are measuring the ice cap and looking at the what the atmosphere was like a long time ago.
Before what time period? No people have never lived in Antarctica. Scientists go on expeditions there but don't stay for more than a few months.
Scientists working in Antarctica study the health of planet earth.
Antarctica is used by scientists by way of their governments.
Scientists live in a heated tent
There were no Nomads who lived in Antarctica: Antarctica is too cold to support life or any kind of food chain.
You'll find both there. Some scientists ski, and there is some cross-country skiing in Antarctica. Some cross-country skiers in Antarctica are not scientists.
Yes.
Scientists and explorers.
Tourists are allowed in Antarctica, as are the people who live and work there temporarily -- in support of science.
No, there are no nations living in Antarctica. There are only scientists living there to get information.
Antarctica is the continent where only scientists live. It is primarily inhabited by researchers and support staff working at scientific research stations.