Circle the area on this map
C. China's Red River flows into Vietnam to the Gulf of Tonkin. The Yellow is called "the cradle of Chinese civilization." The Pearl is China's third largest and flows into the South China Sea between Hong Kong and Macau.
B. The Dec. 26 earthquake was centered off the west coast of Sumatra, Indonesia. It triggered a series of devastating tsunamis that killed more than 225,000 people in 11 countries.
C. While Canada's 6,195,450 square miles makes it second largest, its population of about 32.5 million is far less than the other areas. It has 5 people for each square mile, while the U.S. has 50 and China has 222 people per square mile.
D. China produced 6.2 billion metric tons of carbon dioxide in 2006 compared with 5.8 billion metric tons for the United States. However, the U.S. spews nearly 42,500 pounds of the greenhouse gas for each person, while it is about 10,500 pounds per person in China.