English, 29.10.2020 20:20 hailey2910
The discovery of penicillin was one of the great breakthroughs of modern science. Alexander Fleming, the Scottish scientist, noticed that
certain types of bacteria were killed when exposed to mold. Repeated tests confirmed that this mold (from which penicillin is derived) did indeed
check the growth of many microbes. Since its discovery over 50 years ago, penicillin has been used to treat a variety of diseases and infections.
During World War II, battlefield wounds were treated with penicillin, and thousands of lives were saved. Today, penicillin
is still used in the
treatment of many diseases.
Which happened first?
1. Penicillin saved many lives in World War II.
02. Tests confirmed that penicillin kills microbes.
3. Many diseases were treated with penicillin
4. Fleming did research using mold.
Answers: 1
English, 21.06.2019 22:30
Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the length of each side of a square increases by 2.5 inches to form a new square with a perimeter of 70 inches. the length of each side of the original square was inches.
Answers: 1
English, 22.06.2019 04:30
Which two parts of this excerpt from authur conan doyle's " the contest " show policies lack of knowledge about the rules and restrictions of his society
Answers: 2
The discovery of penicillin was one of the great breakthroughs of modern science. Alexander Fleming,...
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