Examlex
Calculate the age of the universe if Hubble's constant,H0,is 73 km/s/Mpc,and the expansion is assumed to be uniform.
Field Experiment
An experiment conducted in a natural setting rather than in a laboratory, allowing researchers to study economic behaviors in real-world contexts.
Province
A principal administrative division of certain countries or territories.
Good
A material item or service that can be bought, sold, or traded to satisfy a want or need.
Opportunity Cost
The value of the next best alternative forgone as the result of making a decision.
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