Which of the following represent human systems?

Hoover Dam

genetic engineering

volcanic eruptions

the Panama Canal

plate tectonics

Does Habitat change occur more frequently through natural causes than human activity?

What is Longitude and Latitude, and is the Prime Meridian on the Equator?

The geological theory that states that the pieces of Earth's surface are in the constant, slow motion is

What is a natural piece of solid earth usually composed of one or more minerals?

Which country isn't a important producer of petroleum

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.