Select all the correct answers.  
Which two claims from the passage have supporting evidence?
Benjamin Franklin was fascinated by electricity and gave a lot of his time after he retired to study its properties.
He did not mention the experiment until October, four months after it took place, at which point Franklin did not clarify that he had conducted the experiment himself—an issue that has caused some people to doubt Franklin's story.
His design of lightning rods helped prevent untold numbers of structural fires throughout the world.
He discovered new ways to generate, store, and turn on electricity.
Franklin asked his son William to fly a kite to which he had attached a wire on top and a key at the end of a string.