Define a Variable and Give Two Examples That Would Apply

question 55

Essay

Define a variable and give two examples that would apply to economics.

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Definitions:

Freshwater Supply

Refers to the availability of water from sources such as rivers, lakes, and aquifers that is not salty and is vital for human consumption, agriculture, and supporting biodiversity.

River Zone

The area or region surrounding a river, including its banks and adjacent land, which can play critical roles in ecosystem function and biodiversity.

Source Zone

The specific location or area where pollutants originate and from which contamination spreads to surrounding environments.

Transition Zone

An area or region where two or more distinct habitats or ecosystems meet and integrate, often rich in species diversity.