How did the cascade mountains form

Canada has taken an international role in a policy of A. Weapons reduction B. Environmental protection C. Alternative energy D. Immigration control

If new ocean crust is constantly being made, why aren't the oceans getting bigger?

Why does a earthquak happen

Which of these choices best describes italy in the 15th century? a unified nation one large feudal estate a collection of small kingdoms and city-states a collection of spanish and french colonies

What is and ecosystem?

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.