Free " 1493 " Book Download

1493

Reveals how the voyages of Columbus reintroduced plants and animals that had been separated millions of years earlier, documenting how the ensuing exchange of flora and fauna between Eurasia and the A

ISBN10 : 0307278247 , ISBN13 : 9780307278241

Page Number : 690

1493

Two hundred million years ago the earth consisted of a single vast continent, Pangea, surrounded by a great planetary sea. Continental drift tore apart Pangaea, and for millennia the hemispheres were

ISBN10 : 1847084400 , ISBN13 : 9781847084408

Page Number : 544