none, humans have the ability to adapt to any conditions the mind can force uppon it, with proper skills a human could survive anywhere on the planet including Antarctica.
The continent that is too cold to support animal life is Antarctica.
Antarctica is unsuitable for any life: it's too cold there, and there is no food chain on the continent.
Actually it's too cold for most pathogens to survive down there.
No. It's too cold on the continent to support any kind of animal life -- including human life -- and there is no food chain there.
There are reptiles on every continent - except the north and south polar regions (it's too cold !)
No. It's too cold and there is no food chain on the continent.
No. The first human visitors to the Antarctic continent didn't arrive until the early 1800s. It's too cold there to support any kind of life: there are no native or indigenous peoples on the continent.
There are no animals on the Antarctic continent: it's too cold and there is no food chain there.
The continent of Antarctica is too cold to develop, sustainably or otherwise.
Antarctica, because it is too cold for people to live there.
It's too cold on the Antarctic continent to support any animal life, and there is no food chain on the continent.
It is too cold to sustain human life and there are no plants. All the requirements for Antarctic research stations need to be brought from elsewhere.