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The higher the ratio of oxygen-18 to oxygen-16 in the shells of organisms that lived in the sea during the geologic past, the ____ the climate at that time.
Demand Curve
A diagram illustrating the link between the cost of an item and the desired quantity by buyers.
Purely Competitive Firm
A company operating in a market where there are many buyers and sellers, the products are homogenous, and there is free entry and exit in the market.
Average Revenue
The revenue per unit of output sold, calculated by dividing total revenue by the number of units sold.
Marginal Revenue
The additional revenue that is gained from selling one more unit of a good or service.
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