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1) Anesthesia was first used in Ancient Greece. a) True b) False 2) GUNPOWDER was invented in China in the 9th century a) True b) False 3) The first practical motorcar was created in 1885 by Karl Benz. a) True b) False 4) In the 19th century mercury was rarely used in medicine. a) True b) False 5) The invention of the light bulb dates back to the 17th century. a) True b) False 6) The World Wide Web was created by Steve Jobbs in 1990s.  a) True b) False 7) One of the first surgical operations was performed 31000 years ago. a) True b) False 8) About 2500 years ago people wore false teeth. a) True b) False 9) Penicillin was discovered occasionally, due to forgetfulness of the scientist. a) True b) False 10) Plastic surgery appeared in the 15th century. a) True b) False

Interesting facts about inventions. True or False? Earn a million with your knowledge.

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