Question

please send me answer
please all questions ka answered Beij do ​

Answer 1

hey mate..

ur answers are here..

1. The smallpox vaccine, introduced by Edward Jenner in 1796, was the first successful vaccine to be developed.

2. Azotobacter

3. Acqired immuno deficiency syndrome.

4. a bacterium, virus, or other microorganism that can cause disease is called pathogen.

5. CO2

6. pasteurization

7. The most common use of yeast has been in the making of bread.

8. penicillin

9. A vaccine is a biological preparation that provides active acquired immunity to a particular infectious disease.

hope it helped u...

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