Which of These Statements Best Describes a Flow Variable

question 46

Multiple Choice

Which of these statements best describes a flow variable?

• A)An economic variable that measures something at a particular point in time
• B)An economic variable whose value is determined by the market
• C)An economic variable that is measured per unit of time
• D)An economic variable whose value shows no change over time
• E)An economic variable that remains static when other related variables change

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Definitions:

Nitrogen

A chemical element, denoted by N, which is a vital component of amino acids and nucleic acids.

Ammonium

A positively charged ion (NH4+) formed by the addition of a hydrogen ion to ammonia, important in nitrogen metabolism.

Nitrate

A polyatomic ion with the chemical formula NO3-, commonly found in fertilizers and an essential nutrient for plant growth.

Plants

Multicellular organisms that typically produce their own food through photosynthesis and have cell walls made of cellulose.