Which of the following rivers is the longest in North America? Columbia River Mississippi River St. Lawrence River Colorado River

Describe two topographic features that cause variations in climate

Which part of the plant takes in the sun's energy

What is the range of the visible spectrum? The visible spectrum ranges from at the top to at the bottom.

True or false. The Mediterranean Sea is the world's smallest inland see

Which words or phrases describe extrusive igneous rocks during or after formation? Check all that apply. A. coarse B. fine texture C. small crystals D. exposed to air or water E. found in magma chambers

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.