The germ theory of disease
eventually led to the development of certain types of vaccines. This theory explains
that specific type or types of microorganisms, which are bacteria, virus, fungi,
or protest species, cause some diseases. These organisms can enter the human
body, and can even grow and reproduce, causing infection, inflammation to
specific organs in the body, and others. One particular vaccine developed successfully
through this understanding is the smallpox vaccine, which is an important
vaccine up to this day.
Answer: c.
Electrons are transferred → Ions form → Ions are attracted to each other
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Explanation:
Heat of vaporization of water will be required as water is already at it's boiling point thus heat required will be 540*10=5400 cal
31. B
32. C
33. C
34. C
35. A
36. A
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