Earthcycles and ecosystems
Titre:
Earthcycles and ecosystems
PERSONAL_AUTHOR_EPSB:
Sommaire:
Examines how natural cycles and specific ecosystems work and suggests activities to learn about protecting the earth from further damage by pollution and waste.
Date de publication comme intervalle:
1991
EPSB_521_0:
6.1.
EPSB_521_2:
3-6.
Vedette secondaire auteur:
Numéro international normalisé des livres (ISBN):
9781550740134
Informations de publication:
Toronto : Kids Can Press, c1991.
