In an experimental investigation, the variable that the researcher changes or manipulates in order to see its effects is called the?

Brazil is mainly covered by

Which is an example of climate? a sudden snowstorm resulted in subzero temperatures and 30 inches of new snow. a week of rain caused widespread flooding in seattle. record-breaking low temperatures caused a sudden freeze one day in des moines.

Over the past 70 million years or so, the Hawaiian hot spot has been pumping out lava, a total of about 186,000 mi3 worth.

What wind or global pressure system borders the equator?

Round 0.96 to the nearest tenth

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.