You can make a difference: Help protect the earth/ Judith Gestis
Tác giả : Judith Gestis
Nhà xuất bản : McGraw-hill
Năm xuất bản : 1991
Nơi xuất bản : Dubuque
Mô tả vật lý : 88p.; 25cm
Chủ đề : 1. air. 2. earth. 3. environment. 4. land. 5. Natural science. 6. pollution. 7. protect. 8. water.
Thông tin chi tiết
| Tóm tắt : | This book is organized around the three part of the biosphere: land,water air.Each section contain descriptions of the environmental problem accociated with that part of the biosphere.In the section on the atmosphere, for instance, discus such problems as acid rain and the green house effect. Immediately following each problem or challenge are suggeted way that inviduals can help solve. |