Most people thinks bacteria is harmful to the human, but they are wrong. Bacteria are single-celled organisms. There is no distinct nucleus inside their body sell, so they are also called the prokaryotes. Bacteria lives in soil, water, and air. Some beneficial bacteria produce some antibacterial properties, it helps clean our bodies of dangerous toxins.
There are also harmful bacteria, some might even causes typhoid fever, or food illness. Some causes small infections or diseases among animals or human. Harmful bacteria could also causes death depending on how strong the bacteria is. Even one out of millionths could causes death. In the human history, bacteria have killed over millions.
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