Why Did Lead Pollution Decrease Significantly After the Creation of the Clean

question 66

Multiple Choice

Why did lead pollution decrease significantly after the creation of the Clean Air Act?

• A)Lead is now removed from coal before it is used as fuel.
• B)Electrostatic precipitators mandated by the Clean Air Act have greatly decreased the amount of lead being emitted from smokestacks.
• C)Catalytic converters in cars greatly reduce the amount of lead emitted.
• D)Leaded gasoline was outlawed.

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Definitions:

Overhead Costs

Indirect expenses related to the operation of a business that are not directly assignable to a specific product or service.

Direct Labor Hours

The total hours worked by employees directly involved in the manufacturing of a product or the provision of a service.

Machine Hours

A measure of production time used in cost accounting to allocate costs to products or job orders, based on the hours a machine is operated.

Batch Size

The quantity of items or units produced in a single manufacturing run or production cycle, which can significantly impact production efficiency and cost.