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Bacteria and beyond

Bacteria and beyond

• What are bacteria?
  
  
• Can germs get sick?
  
  
• How do germs get into the body?
  
  
• Why does my breath smell bad in the morning?
  
  
• What is mold?
  
  
• Why does milk get sour?
  
  
• Why do I need to cover toilet seats in public restrooms with paper?
  
  
• What is a fungus?