16. Evolution Theory was discovered by
17. Fahrenheit Thermometer was discovered by
18. Fax machine was invented by
19. Thomas Alva Edison discovered
20. Helicopter was invented by
21. Who discovered Helio-Centric Theory
22. Homoeography was invented by
23. Who discovered Human Body Formation
24. Inert gases were discovered by
25. Lift was invented by
26. Who invented logarithms?
27. Neutron was discovered by
28. Penicillin was invented by Fleming in the year
29. Pneumatic tyre was invented by
30. Who dicovered Printing Machine
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