Examlex
The vertebrate lung first appeared in ____.
Marginal Benefits
The added pleasure or value that comes from the additional consumption or production of a good or service unit.
Marginal Costs
The supplementary cost involved in the production of one more unit of a product or service.
Production Possibilities Curve
A graph that shows the maximum number of possible units of two commodities that a economy can produce with available resources and technology.
Marginal Benefit
The incremental gain in happiness or usefulness obtained through consuming an extra unit of a good or service.
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