Pollution and Conservation (Our World)
Edición de la obra Pollution and conservation
| Autor | Malcolm Penny |
|---|---|
| Editorial | Silver Burdett Pr |
| Fecha de publicación | October 1989 |
| Formato | Library Binding |
| ISBN-13 | 9780382097928 |
| ISBN-10 | 0382097920 |
| Número de Cutter | P416p |
Describes the various kinds of pollution and what is being done to protect the natural environment.