The Outer Core

question 51

Multiple Choice

The outer core

• A)has a plastic-like flow.
• B)spins, which produces Earth's magnetic field.
• C)is solid as a rock.
• D)transmits S-waves.

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Definitions:

Fixed Input

Inputs that remain constant for a period of time and do not change with the level of output.

Total Variable Cost

The sum of expenses that vary directly with the level of production, such as raw materials and direct labor.

Marginal Cost

The expenditure involved in the production of one extra unit of a product.

Marginal Cost

The sum required to produce an extra unit of a product or service.