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Explanation:
What is the question,we cant see
Answer:
A) True, the American Federation of Labor focused on one goal-to improve working conditions in the United States. The improvement of working conditions in the United States includes collective bargaining about wages, benefits, working conditions in the workplace and representing their members in the workplace and regarding members in disputes in the workplace.
There are different reasons why things happens. If differential heating did not occur on earth, then there no global warming or global cooling will take place in the atmosphere.
When the Earth flat surface is facing the sun, all its part of that surface would get the same level of incoming solar radiation but the fact remains that due to the Earth being spherical in shape, sunlight is therefore not distributed evenly over the Earth’s surface and as such all the regions of Earth will be heated to different degrees.
Thus, differential heating of Earth’s surface takes place due to different reasons.
Learn more about differential heating from
brainly.com/question/25154137
