Which of the Following Is True of Worldwide Sea Level

question 36

Multiple Choice

Which of the following is true of worldwide sea level?

• A) Over the long term, levels have been very constant.
• B) Changes in sea level are usually unrelated to tectonic processes.
• C) Changes seem to occur without any relation to global average temperatures.
• D) It was about 130 m (430 ft) lower 18,000 B.P., and about 10 cm lower 100 years or so ago.

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Definitions:

Efficient Output Level

The level of production where the total costs of producing a good or service are minimized while maximizing production.

Profit-Maximizing Price

The price at which a business can sell its product or service to achieve the highest possible profit.

Marginal Cost

The cost added by producing one additional unit of a product or service.

Kink

A sudden change in the rate or direction of a curve or line, often used in economics to describe a sharp change in a demand or supply curve.