Examlex
Mass solely determines the position of a star on the H-R diagram.
Free-Rider
An individual who benefits from resources, goods, or services without paying for the cost of the benefit.
Market Forces
The economic factors affecting the price, demand, and availability of goods and services in a free market, primarily driven by supply and demand.
Free of Charge
A situation or service where no payment is required to obtain a good or service.
Rival
In economics, a rival good is one whose consumption by one person reduces its availability for another person.
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