Who invented Antibiotics?1). Joseph Lister2). William Harvey3). Robert Knock4). Alexander Fleming
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1. Who Invented LCD Projector?
2. Barometer was invented by
3. Who invented the thermos flask?
4. Who invented Helicopter?
5. Who discovered electron?
6. Who invented 'Coca Cola'?
7. Who discovered Potassium?
8. Assembly line was invented by
9. Who Invented the 3-D printer?
10. Who discovered theory of relativity?
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