Many beach-goers leave plastic bottles on beaches instead of putting them in trash cans. This is an example of a

How did states respond to the decline in their economies after the Great Depression?

a. by getting consumers to buy domestically produced goods b. by breaking treaties and discontinuing tariffs c. by enacting last-resort measures

A (very, very small) country produces milk and shirts and its production possibilities frontier is in the table above. The nation is currently producing at point B

What is the opportunity cost of two additional gallons of milk? At point C? At point D? What do your results show?