The answer is d. It can help internal organs work properly
Answer:
seperating the seeds from the cotton
Answer:
For a small minority of workers, the Second Industrial Revolution introduced white-collar jobs and growth in the middle class. Though it took very little skill to operate a machine, it took a lot of skill to design or fabricate a machine, and many foremen and managers were also needed to oversee production.
Answer:
The 11th president of the United states was James Knox Polk
