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What are lichens?
Collusion
A secret or illegal cooperation or conspiracy, especially between businesses to limit competition and raise prices.
Marginal Cost
The financial outlay involved in producing a supplementary unit of a good or service.
Crude Oil
A naturally occurring, unrefined petroleum product composed of hydrocarbon deposits and other organic materials, used as a primary energy source.
Industry Output
The total production of goods and services produced by a specific sector of the economy over a given period.
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