How have the countries of Oceania been able to increase their trade?

a.

improved communications

c.

improved technology

b.

improved transportation

d.

all of the above

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

Which describes sub Saharan africa climateA. Dry and hotB. Cold and damp c. Lush and green d. empty and desert like?

Why did the first fleet take the shorter route along the entire west coast of africa?

How many continents touch the arctic circle

What are Leonids A. A series of impact craters B. Asteroids in the asteroid belt C. A meteor shower D. A series of comets

What should a farmer do who wants to keep his soil as productive as possible

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.