[Truth666]

Help for the question I'm asking : North Pole 'was once subtropical' http://news.bbc.co.uk/1/hi/sci/tech/3631764.stm An international scientific team which has been drilling beneath the bed of the Arctic Ocean says it enjoyed a sub-tropical climate 55 million years ago.

[Truth666]

Ok, I waited enough time and nobody stated the right answer

It's as simple as this : suggesting that evolution took place during

"millions of years"