History of bifocals and trifocals
Benjamin Franklin, the early American statesman and inventor, is credited with creating the first multifocal lens for eyeglasses. Prior to Franklin's invention, anyone with presbyopia had to carry two pairs of eyeglasses — one for seeing distant objects and one for seeing up close.
There answer, I believe, is D
Answer:
The process of change from an agrarian and handicraft economy to one dominated by industry and machine manufacturing. These technological changes introduced novel ways of working and living and fundamentally transformed society.
Second answer: The Industrial Revolution was the transition to new manufacturing processes in Europe and the United States, in the period from between 1760 to 1820 and 1840.
Explanation:
There once was a cow named sot and he loved grass he loved grass so much he ate it for breakfast lunch and dinner he ate it in his pizza and drunk it in his dr.pepper so one day he was pooping then he looked out the window and heard a loud sound he didnt know what it was and was scared he saw a man with a lawn mower and he was chopping all the grass up so sot hurried up and wiped himself and then he hurried and flushed then he went outside and the man was gone but so was the grass so sot went and cried for days and it rained one. Night And when sot awoke he saw alot of grass he didnt know it grew back the end
