Inventions and Discoveries

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76. Who invented the first practical camera?
a) Louis Daguerre
b) William Henry Fox Talbot
c) George Eastman
d) Johannes Kepler

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77. Who discovered the law of electromagnetic induction?
a) Michael Faraday
b) James Clerk Maxwell
c) Heinrich Hertz
d) Thomas Edison

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78. Who invented the first successful airplane engine?
a) Charles Rolls
b) Henry Royce
c) Wright Brothers
d) Rudolf Diesel

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79. Who discovered the circulation of blood?
a) William Harvey
b) Edward Jenner
c) Louis Pasteur
d) Robert Koch

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80. Who invented the first practical battery?
a) Alessandro Volta
b) Michael Faraday
c) Benjamin Franklin
d) Galileo Galilei

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