Vedecká knižnica Kidhaven Séria

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• Germs

  • Don Nardo

  • 48 stránok
  • 2 hodiny čítania

  5,0(1)Ohodnotiť

  Germs are everywhere, as this fascinating overview of the subject explains. Some germs are harmful, causing debilitating diseases, while others are beneficial, helping humans and animals to digest food. Covered is the discovery of germs, how some cause disease, how others aid living things, and how various industries have learned to use some germs to improve the quality of human life and communities.

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