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
The first blank would be Joseph Stalin and the second would be Leon Trotsky
As I am thinking you mean "Producers" when you say "Sellers" I am going to go with, Yes. You are correct it is Supply.
(Also the other one is called Demand not price)
Answer:
C. Myung but A makes sense too..
Explanation:
when you try to understand all points of view of an issue, you are more informed about the issue as a whole, not just from your point of view. aka, unbiased
