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olga55 [171]
3 years ago
5

In 1928, Scottish scientist Alexander Fleming discovered (1 point) atomic fission. penicillin. the theory of relativity. psychoa

nalysis.
History
1 answer:
wolverine [178]3 years ago
7 0
The correct answer is: penicillin.
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Railway lines completely transformed countries as more and more goods and people could be transported cheaply and quickly.



From England, steam engines and trains spread to Europe, the US and other parts of the world and for the next 150 years, trains became the preferred mode of transport.




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