- Why and how our voice change in fever or when drink an Any yold drink,, kya hota he ues time
- Which of the following diseases is caused by a bacteria? 1Chicken pox 2Tuberculosis 3Dengue 4Polio
- who found bacteria
- disease caused by virus?
- what are microorganisms
- what are bacterial and viral dieses.
- defined of full chapter deases
- What do you mean by tuberculosis.?
- How does corona virus got it's name??
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