Question

3. Write 10 lines on the usefulness of microorganisms in our
lives.
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Answer 1

Explanation:

Microorganisms are very useful to us. ... Microorganisms are used to prepare vaccines for various diseases. They are useful for agriculture sector, as they enhance the fertility of soil by fixing nitrogen. They work as natural cleaners, as they decompose the dead bodies of plants and animals.

Answer 2

Answer:

Microorganisms are one of the most important organisms of the earth. They can be useful to human beings in a a bundle of different ways. Nowadays scientists have started making medicines with the use of microorganisms like viruses and bacteria. Different micro organisms have different abilities to fight against different diseases. Many of the microorganisms are useful to human beings. Many of them also help to make the environment healthy. This makes us healthy too. Likewise, there are many other uses of microorganisms in our lives..

Explanation: