Which sentence from the passage is a minor supporting detail? There was a time when robots and home automation were just a fantasy. (paragraph 1) The rise of automated systems has also cost workers jobs. (paragraph 8) In factories, robots perform hazardous tasks; in homes, they vacuum the floor. (paragraph 2) A single robotic "arm" or "hand" could do the work of several humans. (paragraph 7)
An Automated Society 1 There was a time when robots and home automation were just a fantasy. Robots were found only in science fiction and home automation was limited to cartoon families who had every convenience at their fingertips. Meals arrived with a simple push of a button. A robot maid performed every task humans didn't care to do. Today, these once visionary ideas have become reality. A cartoon shows a man being served something to drink by a robot maid 2 In factories, robots perform hazardous tasks; in homes, they vacuum the floor. Houses can now lock themselves and lights are programmed to turn off and on automatically. In hospitals, doctors use robots to perform surgery. Cars that drive themselves are in development.