A student is writing a paper about Benjamin Franklin’s contributions to science.
Which example should the student add to best develop this topic?
a Franklin created the first political cartoon ever to be published in the United States.
b Franklin established the Union Fire Company, which was the first volunteer firefighting organization in the colonies.
c Franklin served on a committee of five people who worked together to write the U.S. Declaration of Independence.
d Franklin invented the lightning rod to study electricity and help find ways to protect people and structures from lightning.