The chart shows automobile ownership in the early twentieth century.
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.
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.
Which invention does the photo show?
The use of antiseptics in hospitals resulted in
What conclusion can be drawn about the relationship of Joseph Lister’s and Louis Pasteur’s work?