1. Explain the role of microbes in medicine?
2. Why are children given vaccination?
3. Do microbes have any role in soil fertility and cleaning of environment? explain.
4. Explain nitrogen fixation
i NEED an 8th standard answer
Answers
Answer:
1.There are 100 thousand billion microbes on and in our bodies. That's ten times more than our own body cells. Microbes are involved in processes like our metabolism, and help keep us healthy by fighting off harmful intruders,
2.Vaccines help protect infants, children, and teens from serious diseases. Getting childhood vaccines means your child can develop immunity (protection) against diseases before they come into contact with them.
3.There are many bacteria in soil which help in making soil fertility. They decompose the organic waste into simpler form which contain rich amount of nutrition and mostly free nitrogen. Nitrogen fixing bacteria use this nitrogen as a important mineral for plants by converting free nitrogen in compound form.
4.nitrogen cycleNitrogen fixation is the process by which atmospheric nitrogen is converted by either a natural or an industrial means to a form of nitrogen such as ammonia. In nature, most nitrogen is harvested from the atmosphere by microorganisms to form ammonia, nitrites, and nitrates that can be used by plants.
Explanation:
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this is the answer from 8th class book hope this will help you and this is the answer for 3rd question
