Sea Level Is Currently Rising at 3

question 27

Multiple Choice

Sea level is currently rising at 3.3 mm/yr,and scientists predict that global warming could cause a rise in sea level of 7 if left unabated.How long will it take the sea to rise 7 m at the current rate?

• A)2,121 years
• B)0.0004 year
• C)2.121 years
• D)0.47 year

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Definitions:

Month

A unit of time, roughly based on the period of the Moon's orbit around Earth, traditionally used to measure durations of approximately 30 days.

Break Even

The point at which total costs and total revenue are equal, resulting in no net loss or gain.

Variable Cost

Costs that vary directly with the level of production or sales volume, such as materials and labor.

Fixed Costs

Costs that do not change with the amount of goods or services produced, such as rent, salaries, and insurance.