Answer:
Explanation:What is the most important scientific discovery of the past 100 years? The discovery of penicillin. In 1928, Sir Alexander Fleming observed that some bacteria were destroyed by the mould Penicillium notatum.
The top 10 medical advances in history
Anaesthesia (1846) ...
Germ theory (1861) ...
Medical imaging (1895) ...
Penicillin (1928) ...
Organ transplants (1954) ...
Stem cell therapy (1970s) ...
Immunotherapy (1970s) ...
Artificial intelligence (21st century)
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The average hieght for a 13 year old is aroud 4/ll to 5/1 . hope it help.