Explanation:
Harry Bittering and his family are among the first thousand Earthmen to move to Mars for the purpose of colonizing it. Yet Bittering feels out of place in his new home. His uneasiness is so profound that he wants his family to return with him to Earth. He has decided that Mars is meant to be inhabited only by Martians.
(mature) I just took the quiz!
Labor-saving devices are inventions that reduce the time and effort needed to perform or complete a task. Farm equipment, home appliances and construction equipment are examples of mechanical inventions that save time and physical labor.
