Answers
People used to believe that a meteor strike in the Yucatan peninsula in Mexico killed off the dinosaurs.
Some scientists now believe that the dinosaurs were already being driven to extinction by climate change long before the arrival of the meteor.
Have a look at this webpage: http://www.bbc.co.uk/sn/tvradio/programmes/horizon/dino_prog_summary.shtml
25 January 2011
Add an answer
Similar questions