A Significant Reduction in the Amount of Which Gas Would

question 29

Multiple Choice

A significant reduction in the amount of which gas would allow more ultraviolet radiation to reach the earth's surface?

• A) carbon dioxide
• B) methane
• C) ozone
• D) cyanide
• E) oxygen

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Definitions:

Natural Resources

Materials or substances occurring in nature which can be exploited for economic gain, such as minerals, forests, water, and fertile land.

National State

A political entity characterized by a defined territory, permanent population, government, and capacity to enter into relations with other sovereign states.

Sherman Antitrust Act

Passed in 1890, first law to restrict monopolistic trusts and business combinations; extended by the Clayton Antitrust Act of 1914.

Theodore Roosevelt

The 26th president of the United States, known for his progressive policies, conservation efforts, and leadership of the Rough Riders.