Effects of water pollution

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Sommaire:

In the spring of 1988 thousands of seals died; the program discusses the ramifications of pollutants in the food chain.

Description matérielle:

1 videocassette (20 min.)

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Bibliothèque	Numéro de rayon	Type de document	Code à barres du document	Statut
Recherche en cours... D.S. MacKenzie	VC 574.5 EFF	Teacher resource	30522000093507	Recherche en cours... Inconnu

In the spring of 1988 thousands of seals died; the program discusses the ramifications of pollutants in the food chain.