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Which term in the simplified Drake equations depends on sociological factors?
Yield Per Acre
The amount of a particular crop produced on one acre of land, measuring agricultural productivity.
Corn
A cereal plant that yields large grains, or kernels, set in rows on a cob, widely grown for food, livestock feed, and biofuel.
Production Possibility Frontier
A curve depicting all maximum output possibilities for two goods, given a set of inputs consisting of resources and other factors. The PPF demonstrates the trade-offs in production volume between two choices.
Opportunity Cost
The cost of passing up the next best choice when making a decision.
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