BEFORE ALEXANDER FLEMING DISCOVERED PENICILLIN, MANY PEOPLE DIED…...

163. - 2000 TEST EXAM WITH A AND B DOCX
2000 TEST EXAM WITH A AND B DOCX

163. Before Alexander Fleming discovered penicillin, many people died

………..

a. infected with simple bacteria

b. from simple bacterial infections

c. infections were simple bacteria

d. infecting of simple bacteria

b