AIR polltion
Every day we hear more about pollution and its negative effects on our enveronment. Our world is made up of a fragile eco-system that could be destroyed by mankind's carelessness.
Uloženo v:
| Hlavní autor: | |
|---|---|
| Médium: | Kniha |
| Jazyk: | Undetermined |
| Vydáno: |
Makato
Creative education
1992
|
| Témata: | |
| Tagy: |
Přidat tag
Žádné tagy, Buďte první, kdo otaguje tento záznam!
|
| Thư viện lưu trữ: | Trung tâm Học liệu Trường Đại học Cần Thơ |
|---|
Buďte první, kdo okomentuje tento záznam!