Question

☯️what is bacteria????? ​

Answer 1

Explanation:

Bacteria are micro-organisms which are present everywhere. Some bacteria are good while some can cause diseases.

Answer 2

Step-by-step explanation:

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❄Bacteria are small single-celled organisms. Bacteria are found almost everywhere on Earth and are vital to the planet's ecosystems. Some species can live under extreme conditions of temperature and pressure. The human body is full of bacteria, and in fact is estimated to contain more bacterial cells than human cells❄