Germs and viruses [videorecording] : a self-defense guide
This basic unit in cleanliness and personal hygiene debunks common misconceptions about micro-organisms. Understand how and why to wash your hands, howto keep a kitchen clean, and how to keep foofsafe. Learn the facts about bacteria, viruses, colds, public washrooms, antibacterial soaps, and the bes...
Format: | |
---|---|
Language: | eng |
Published: |
Chicago, IL : Learning Seed,
2006
|
Subjects: |