Examlex
Which element is NOT among the four most abundant in living organisms?
Basketballs
Spherical balls used in the sport of basketball, designed for bouncing on hard surfaces and shooting into hoops.
Opportunity Cost
The cost of foregoing the next best alternative when making a decision or choosing among options.
Russia
A country in Eastern Europe and Northern Asia, known for its vast territory, rich history, and significant influence in global affairs.
Comparative Advantage
The ability of an individual or country to produce a particular good or service at a lower opportunity cost than others.
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