In the stratosphere, oxygen (O2) is converted to ozone (O3) by high energy ultraviolet light. When the equation is written and balanced using whole number coefficients, the coefficient of ozone is:

What is the difference between a physical map and a political map?

Henry Hancock's survey of the Pueblo of Los Angeles street patterns illustrates what important cultural geography concept?

The Atlantic Ocean facilitates connections between the western coast of Africa and:

Mandarin Chinese is not spoken widely outside of China, yet it is spoken by more people than any other language. What makes this possible? A. Mandarin Chinese is used when conducting international business. B.

Which bodies of water were used by the white army and their allies?

Which of the following Rivers is unique because it is home to more species of large fish than any other River? A. The Huang He River B. The Yangtze River C. The Han River D. The Naktong River

The area just north of Lake Baikal is called?

When the Europeans traveled the Mississippi and the Amazon rivers, what did they bring to the native peoples of both continents? A. Gifts and wisdom B. Exotic plants and animals C. Smallpox and other disease D. Technology and knowledge

What are the major controlling factors for the variations of the water mass in the ocean?

The climatic effect that influences precipitation and air flow locally is