Air Pollution Is a Recent Phenomenon,which Started When Coal-Burning Became

question 55

True/False

Air pollution is a recent phenomenon,which started when coal-burning became common in the Industrial Revolution.

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Definitions:

Effort

The use of physical or mental energy to accomplish a task or achieve a goal.

Chance

The occurrence of events in the absence of any obvious intention or cause.

Labor Unions

Organizations that represent the collective interests of workers in negotiations with employers over wages, benefits, and working conditions.

Labor Demanded

The total quantity of workers that employers are willing to hire at a given wage rate in a certain period.