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There are harmful to all organisms, but some bacteria are helpful in many ways.

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16y ago

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Bacteria *facepalm*


Bacteria greatly out number harmful bacteria?

Yes. Most bacteria is not harmful to us such as bacteria in a yogurt, but some bacteria is harmful.


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Regardless of whether you and your food are healthy, your excrement may still contain harmful bacteria. Any excrement offers a suitable breeding ground for such organisms.


How Spoiled food?

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What are unicellular organisms found everywhere on earth some are harmful while others are helpful?

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