Which of the following is the least-polluting, nonrenewable energy source? 1. oil. 2. natural gas. 3. biomass. 4. coal.

Why do so many climates exist in north and south america

Which element about russia in 1990s in not accurate

Which of the following is not a savanna? a. Cerrado b. Pampas c. Llanos d. Serengeti

One benefit to volcanic activity in Central America is

According to island biogeography, what is the relationship between an island's distance from the mainland and the number of species present on the island?

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.

Which of the following statement is most accurate

Which country has the largest salt flats in the world