Are microbes and germs good for you? (2)

An other example is that the oxygen we breathe is a product of life.  Oxygen was being released into the atmosphere in a free form by primitive organisms that lived more than two billion years ago according to scientific historians.

It is still being produced by most members of the plant kingdom, by the microscopic algae of ocean plankton as well as by the most gigantic trees.

Microbes and plants are thus absolutely necessary for the existence of animals and human beings, not only as they produce food, also as they literally create a breathable atmosphere.



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