This invention (named by Edward Jenner) is not an object, but a process of administering live, albeit weakened, microbes to people.
- Mastectomy
- Decompression
- Ophthalmoscopy
- Vaccination
Answer
The correct answer is D) Vaccination.
More History questions
- The optical telegraph (a collective term) preceded the electrical telegraph. It was much faster than riding couriers in to deliver messages over long distances. One of these is not an optical telegraph.
- According to some theories, the parachute was invented in 1783 by Sebastien Lenormand in France. Two years later, Jean-Pierre Blanchard demonstrated it as a means of safely getting down on earth from this.
- The first military submarine (Turtle) could accommodate this number of people.
- In 1807, Robert Fulton used a steam engine to power the first commercially successful one of these.
- The spinning jenny is a multi-spool spinning wheel invented in 1764 in this country.
- Charlie Chaplins movie The Gold Rush, which took in more than $4,250,000 at the box office in 1925, was set in his city.