The "Old World” was comprised of A. Asia and England
B. Africa and Europe
C. Europe and Asia

Can anyone help me please?

the difference is that white collar worker performs skills like worker as a scientist or well blue collars do physical work and they do services like being a cook.

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your answer will most likely be a.

seeing as no choices were provided, i'll do my best to answer it from knowledge.

job specialization promotes work ethic to the person doing the job. he/she may be strong in the arms and able to lift things, specializing him/her in a job where you lift and carry.