Perfect swarm + book with multi-rom, the: footprint reading library 3000
Auteur :
Geographic, National / Waring, Rob
Éditeur :
Cengage Learning, Inc
ISBN :
9781424022427
Date de publication :
7 août 2009
Dimensions :
20,5 x 14,9 x 0,6 cm
Poids :
120 g
Langue :
Anglais
Pays d'origine :
USA
In the 1800s, the Rocky Mountain locust brought massive destruction to Western settlers. Then, the insects suddenly disappeared-almost without a trace. Now scientists hope to find a reason for the locust's extinction. What caused the Rocky Mountain locust to disappear? Where will the scientists find the answers?