Question

write about few lines on the usefulness of microorganisms harmful effects of microorganisms​

Answer 1

Explanation:

harmful effects of microorganisms

Microorganisms that cause illnesses also affect water quality. Bacteria are single-celled organisms that cannot be seen with the human eye except through a microscope. Some kinds of bacteria are the most dangerous microorganisms. They usually get into water supplies when untreated sewage mixes with the water supply.

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