Big Die: Earth's Mass Extinctions

Douglas J Alford · Pakaket Alford

2015 թ. հնվ · Mfg Application Konsulting Engr

Այս էլ․ գրքի մասին

Most of the life that has lived on earth is now
extinct.  This book explains what happened.  The quest now is how to keep human-kind from
becoming future fossils in the next “Big Die.”