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Inventions and Inventors

by | Mar 26, 2020 | Uncategorized | 0 comments

The chart shows automobile ownership in the early twentieth century.

A bar graph titled Automobile Ownership in the United notes, 1900 to 1950. The x axis shows the years from 1900 to 1950 in 10 year increments, and the y axis shows the number of owners in millions, from 0 to 50. 1900, 1; 1910, 2; 1920, 8; 1930, 22; 1940, 27; 1950, 40.

Based on the chart, what conclusion can be made about automobile ownership?

The Wright brothers made their mark on history by

What was the main way in which industrial age inventors helped farmers?

The chart shows automobile ownership in the United States from 1900-1950.

A bar graph titled Automobile Ownership in the United notes, 1900 to 1950. The x axis shows the years from 1900 to 1950 in 10 year increments, and the y axis shows the number of owners in millions, from 0 to 50. 1900, 1; 1910, 2; 1920, 8; 1930, 22; 1940, 27; 1950, 40.

The chart indicates that the smallest increase in car ownership occurred between

How did Thomas Edison help make cities safer?

The photo shows an invention from the Second Industrial Revolution.

A man holds a device up near his mouth. There is a small aperture on one end of the device near the man's mouth. This aperture is attached to a cylinder on a small platform. Two wire lead from the platform out of the picture.

Which invention does the photo show?

The use of antiseptics in hospitals resulted in

In the mid-1800s, steam power was replaced by .
To  means to remove harmful bacteria and other germs.

What conclusion can be drawn about the relationship of Joseph Lister’s and Louis Pasteur’s work?