Obzh 7 Klass Chitat Smirnov Khrennikov Prosveshcheniia -

Electronic forms of the textbook can be found on the Prosveshcheniye Mediatheque .

The book is organized modularly, covering theoretical knowledge and practical safety skills. obzh 7 klass chitat smirnov khrennikov prosveshcheniia

Various types of floods (causes and safe behavior) and tsunamis. Biological Hazards: Forest fires and infectious diseases. Human Health and First Aid: Foundations of a healthy lifestyle and medical knowledge. Electronic forms of the textbook can be found