Question

1)pesticides ( ) a) buds
2)Antibiotics ( ) b) oral polio vaccine
3)yeast ( ) c) first antibiotics
4)Ross( ) d)Anopheles
5)jonas salk ( ) e)bacterium thuringiensis
6)Albert stalin ( ) f)pencilin g)Anthrax vaccine
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Answer 1

Answer:

Dear Ur question is not clear.....