Which is not considered a crystal? quartz salt diamond concrete gold?

Name two factors that can affect the distance that volcanic ash can travel

17. In the United States, the Southeast is home to over half of the African American community. True False

Suki wants to build a 60 ft. Long rectangular sheep pen in back of her barn. If she bought 150 feet of fencing and used her barn wall as one side of the pen equaling the width, what would be the area of the sheep pen?

Which area is NOT considered part of the British Isles?

The highest mountain in the world is

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.