How long have the earth existed

You are going to visit friends living on Italy's coast. You'll be visiting an area with a Mediterranean climate and a chaparral ecosystem.

On a weather map, which type of front is shown by a line with semicircles extending from one side

Which of the following are major rivers in Southeast Asia? A. the Volga, Dnieper, and Vistula B. the Nile, Zambezi, and Niger C. the Danube, Rhine, and Seine D. the Irrawaddy, Chao Phraya, and Mekong

the air circulates counterclockwise in diagram B because the water cools slower than the land true or false?

What are the two types of crust and how do they compare

1. Describe the most important diagnostic properties in igneous rocks. 2. What minerals would you expect to form in basalt? (Hint: Consider composition and Bowen's reaction series). Explain your answer.

What is the most important role of the ecosystems of the Andes? A. Keep the environment stable and reduces air pollution B. Reduce the chance of floods, desertification, and landslides C. Regulate the availability of freshwater D. All of the above

All of the following are examples of thematic maps except:

Which is used by scientists as evidence that Earth's inner core is solid? O A. S waves cannot travel through the inner core, creating a shadow zone. O B. Seismic waves change speed when they go from the inner core to the outer core. O C.

What role did geography play in the early African kingdoms? Volcanic eruptions scared away attackers. Mineral deposits brought wealth and power. The Great Rift separated them from the continent. Tropical storms extended the growing season.