Why Do Tribal Africans in Middle Adulthood Show Less Decline

question 91

Multiple Choice

Why do tribal Africans in middle adulthood show less decline in hearing than people in developed countries do?

• A)They are exposed to less noise in their daily lives.
• B)They must make loud noises to keep away predators, so they are used to loud noise.
• C)They are genetically better at hearing.
• D)Their diets have been shown to support hearing.

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Definitions:

Machining

The process of cutting, shaping, or removing material from a workpiece using machines.

Equipment Depreciation

Equipment depreciation refers to the allocation of the cost of tangible assets over their useful lives, representing the wear and tear, deterioration, or obsolescence of physical assets.

Supervisory Expense

Costs related to the management and oversight of operations within an organization.

Machine-Hours

A measure of the amount of time a machine is operated during a given period.