Volcanic irruption is most likely to be violent when

A) volcanoes near to the sea

B) the neck of the volcano is sealed by a plug

C) the lava is viscous

D) The lava reaches the surface through a fissure

E) The volcano is on the ocean floor

Which of the following is not a type of plate boundary? a. divergent b. convergent c. transform d. tectonic

Discuss the ways in which North American culture is adapted to high levels of spatial (geographic mobility) mobility

Which of the following american cities is not located in a major manufacturing region?

Which U. S. States still have and use the death penalty? List them all.

In which mountain is Mount Elbrus located

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.