In a free-market system, producers are motivated to reduce costs and increase revenues because of which of the following?
A. The production possibilities frontier.
B. The profit motive.
C. Opportunity costs.
D. Marginal analysis,

"throngs rushed to the coastal area near the airport from which the plane had taken off, overloaded with relief supplies clemente wanted to make sure reached the victims of an earthquake in nicaragua."

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yes

explanation:

a lion king of the jungle he watch's his pray and watch out and go hunting for food and go fight   other animals to protect his cubs from getting hurt