व्हाट इज नॉट पॉसिबल टू सी एन एटम विद नेकेड आइज
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The germ theory of disease is the currently accepted scientific theory for many diseases. It states that microorganisms known as pathogenmms or "germs" can lead to disease. These small organisms, too small to see without.... magnification, invade humans, other animals, and other living hosts.
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