Which of the following has not been a major change in the workforce within the last century?
a. more women in the workforce
c. more minorities in the workforce
b. greater emphasis on farming and manufacturing jobs
d. greater emphasis on sales and service jobs

The correct answer is B: "greater emphasis on farming and manufacturing jobs".

The economies have experienced a progressive process transformation towards service economies, because economic activities from the primary and secondary sectors (agriculture, industries) have been replaced by activities from the tertiary sector (service, sales, etc).

Moreover, the workforce has integrated both women and minorities during the previous century.

answer; /// the correct answer is evidence of the olmec civilization has been found in southern american in a hot steamy forest, archaeologists have found earthen artifacts at several sites that were evidence of the olmec civilization. these   artifacts were mounds,courtyards and pyramids build of stones, also on top of the mounds were many monuments made of stone, some of these stone structures are very large, they weigh as much as 44

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