Question

write about useful and harmful viruses​

Answer 1

Explanation:

Bacteria and viruses can make you sick. But there are also beneficial bacteria and viruses. Bacteria help us digest our food, fight dangerous pathogens, and produce vitamin K. Viruses can teach our immune systems to better fight disease, fight harmful bacteria, and may one day help us fight diseases including cancer.

lactobacillus present in curd helps in digestion. sachromyces in cheese and many more

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Answer 2

Answer:

Herebis yur answer:

Explanation:

Bacteria and viruses can make you sick. ... But there are also beneficial bacteria and viruses. Bacteria help us digest our food, fight dangerous pathogens, and produce vitamin K. Viruses can teach our immune systems to better fight disease, fight harmful bacteria, and may one day help us fight diseases including caner.

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