Which Is the Best Definition of Physical Activity

question 14

Multiple Choice

Which is the best definition of physical activity?

• A) movement carried out by the skeletal muscles that requires energy
• B) actions that use about 150 calories of energy per hour
• C) exercise that significantly increases breathing and heart rates
• D) any repetitive movement that causes gains in muscle mass

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Definitions:

Short Run

A period in economic analysis during which some factors of production or inputs are fixed, limiting the ability of the economy or firm to adjust.

Long Run

A timeframe in economic analysis where all inputs can be adjusted, allowing for the analysis of long-term strategic planning.

This Firm

A term often used in economic models or discussions to represent a generic company or business under analysis.

Economic Profit

The difference between a firm's total revenues and its total costs, including both explicit and implicit costs.