Gretta is 85 years old and having trouble with her hearing. She worked in a factory for many years at a time before there were regulations to safeguard against noise levels. Besides normal aging, the MOST likely reason for Gretta's hearing loss is:

Gretta is 85 years old and having trouble with her hearing. She worked in a factory for many years at a time before there were regulations to safeguard against noise levels. Besides normal aging, the most likely reason for Gretta's hearing loss is prolonged exposure to ear-splitting noise.

Explanation:

When people work at a place, they are given some basic protection by the present rules and regulations imposed by the Health and Safety protection organizations. These organizations make sure that the basic rights for health and safety are not being violated at the workplace.

But before the introduction of such organizations, there was no such rule that ensured the complete safety of the employees at the workplace.

So Gretta worked at a place where there was no such safety precautions that protected her ears from the ear splitting noise at the work place. So besides her old age, prolonged exposure to ear-splitting noise caused trouble with her hearing at this age now.

Learn more about Employees Safety at:

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