The Amount of Lead Released into the Atmosphere

question 44

Multiple Choice

The amount of lead released into the atmosphere

• A)has declined since the introduction of lead free gasoline.
• B)has increased with the increase in automobiles.
• C)is greatest in rural areas.
• D)is directly related to the amount of acid rain.

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Definitions:

Economies of Scale

Cost advantages reaped by companies when production becomes efficient, as the average cost of production falls with increasing output.

Constant Returns to Scale

A situation in production where increasing the input of all resources by any proportion yields an increase in output by the same proportion.

Long-run Average Total Cost

The per unit cost of production when all inputs, including capital, are variable, assuming optimal efficiency.

Economies of Scale

Describe the cost advantages that enterprises obtain due to the scale of their operations, typically resulting in reduced costs per unit with increased output.