The First "Hole" in the Ozone Layer Was Found Over

question 39

Multiple Choice

The first "hole" in the ozone layer was found over which continent

• A) North America
• B) South America
• C) Australia
• D) Antarctica
• E) Asia

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Definitions:

Aggregate Supply

The total supply of goods and services that firms in an economy are willing and able to sell at a given overall price level in a given time period.

Aggregate Expenditure

Total spending on final goods and services in an economy during a given period, usually a year.

Net National Product

The total value of goods and services produced by a country's citizens, adjusted for depreciation; it reflects the nation's overall economic productivity after wear and tear on assets.

Profit-maximizing Condition

The state or point at which a business achieves the highest level of profit with the least amount of cost, often by equating marginal cost and marginal revenue.