African needs approximately 9 billion dollars each year to do what?

pay its infrastructure costs

plant all its prize crops

pay interest on its debts

pay to protect free elections

Which lake may have been the source of some El Dorado legends?

What are the postive and negative affects of agriculture?

The impacts of el nino upon climate in tempurature laditudes show up most clearly during which season? summer winter fall spring

Molten rock above ground is called magma metamorphic sedimentary lava

Which is the coldest biome on Earth's surface? a. desert b. forest c. tundra d. grassland e. marine

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.

Mengapakah delta terbentuk di muara sungai