Frightening study-"We are now entering the sixth great mass
Discussion
... extinction event."
http://www.bbc.co.uk/news/science-environment-3320...
Not a single event but rather a series that run together to lead to gradual species extinction..
http://www.bbc.co.uk/news/science-environment-3320...
Not a single event but rather a series that run together to lead to gradual species extinction..
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