This continent was called Pangea.
Around the corona of the first star ever formed, about 400 million years after the Big Bang.
The continental drift has affected Australia along with every other continent. 250 million years ago all the continents were one called Pangea. Australia has slowly migrated and driffted north ever since.
No Never Ever Ever Not in 1 million years!
Cavemen used the doggie paddle after copying it from mammals so around 2 million years ago.
Never in a million years.
Yes. 160 million years ago, New Zealand, Australia and Antarctica were one continent, Gondwana. Very slowly they separated into three. New Zealand was one island up till about one million years ago. There's a good animation at the link below.
20 MILLION
The earliest word which "evolved" into an English word is "cinnamon." This was a spice used several thousand years ago. The word is of Hebrew origin (it is found in the 30th chapter of Exodus). The first word ever uttered was "Aa," which meant "Hey!" This was said by an australopithecine in Ethiopia more than a million years ago.
Antarctica is a continent and is in no eminent danger of becoming water -- ever.
Yes about 4 million years ago
Yes, maybe in a million years or something
thay were around when there were dinosrs