i think you mean antibiotic ... but Alexander Fleming was the one who advanced the antibiotic (world) and was responsible for creating these categories of medicine... this affected the 20th century because millions of people use antibiotics everyday and without them... many diseases would still affect people without a cure
Answer:The Hay copy, which includes Lincoln's handwritten changes, also is owned by the Library of Congress. Four score and seven years ago our fathers brought forth, upon this continent, a new nation, conceived in Liberty, and dedicated to the proposition that all men are created equal.
Explanation:The Hay copy, which includes Lincoln's handwritten changes, also is owned by the Library of Congress. Four score and seven years ago our fathers brought forth, upon this continent, a new nation, conceived in Liberty, and dedicated to the proposition that all men are created equal.
C. They were laws that segregated blacks and whites in the south
True, he did believe this. I hope it helps
Answer:
umm imma come back to this question hold on pls:)