The circle shown here has area πr2. If its radius is tripled in length its new area will be

Which of the following statements is true about lake Victoria

Which type of mining is likely the least harmful to the environment? a. surface mining b. placer mining c. subsurface mining d. none of the above

Which natural phenomenon occurs as a result of Earth rotating on its axis?

Which is generated by movements of tectonic plates? A. seismic waves B. earth's magnetic field C. ocean currents D. volcanoes

Half of southeast asias population lives in which two countries? laos and cambodia indonesia and the philippines vietnam and the philippines indonesia and laos

1. What is the trading route between the Indian Ocean and the Mediterranean Sea? 2. What lies between the Arabian Peninsula and India? 3. What is west of Yemen? 4. What is east of the United Arab Emirates? 5.

What types of areas are created by sinking, dry air at 30 degrees north or south latitude?

The us congress passage of the Homestead act in 1862 can be considered a pull factor that caused people to migrate to the us

Name the river that forms a border between the states of washington and oregon

Match the city in column 1 to its description in column 2. A. Shenzhen B. Tianjin C. Nanjing D. Guangzhou Located near Beijing; has agriculture and manufacturing. Former capital of China with rich history and culture; large manufacturing center.