In Polar Areas

question 89

Multiple Choice

In polar areas,

• A)as ice melts,water's salinity increases and density decreases.
• B)as ice forms,water's salinity decreases and density increases.
• C)as ice forms,water's salinity increases and density increases.
• D)as ice melts,water's salinity increases and density increases.

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Definitions:

Diminishing Marginal Productivity

A principle in economics stating that as additional units of a variable input are added to a fixed input, the marginal product of the variable input eventually decreases.

MRP

Marginal revenue product, the additional revenue generated by employing one more unit of a resource.

Wage Rate

The standard amount of pay given to employees per unit of time, which may vary based on industry, occupation, and experience.

Competitive Labor Market

A market where workers compete for jobs and employers compete for workers, influencing wages and employment conditions.