Earthcycles and ecosystems

Titre
: 
Earthcycles and ecosystems

Beth. Savan

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

Terme de vedette-matière
: 
Ecology.
 
Environmental education -- Activity programs.
 
Biotic communities.
 
Science projects.
 
Pollution.
 
Conservation of natural resources.
 
Ecology -- Experiments.
 
Science -- Experiments.
 
Human beings -- Influence on nature.
 
Human influence on nature.
 
Man -- Influence on nature.

Vedette secondaire auteur
: 
Cupples, Patricia.

Résumé
: 
Examines how natural cycles and specific ecosystems work and suggests activities to learn about protecting the earth from further damage by pollution and waste.

Numéro international normalisé des livres (ISBN)
: 
9781550740134

Informations de publication
: 
Toronto : Kids Can Press, c1991.


BibliothèqueNuméro de rayonType de documentCode à barres du documentStatut
Mount Pleasant574.5 SAVBook30152000044464Non-Fiction