What natural phenomenon occurs when magma breaks through the earth s crust?

a. tsunami

b. mountain formation

c. volcano

d. earthquake?

Why do farmers in the Southwest United States use irrigation

What landform runs from Texas to Georgia?

The part of Earth's surface that is physically suitable for permanent human settlement is known as: A. the ecumene. B. the ecosystem. C. the ecosphere. D. the biosphere. E. the biosystem.

Which event came first? A. Canada gains complete independence from Britain. B. British create the Dominion of Canada. C. French is made the official language of Quebec province. D.

At divergent plate boundaries in the ocean, magma rises and melts because of A. higher temperatures at the surface. B. a decrease in pressure. C. intrusive plutons at the boundary. D. increased silica content of magma.

What is the most important role of the ecosystems of the Andes?

Match each moon or planet to the most accurate characteristic. A. Earth's moon B. Venus C. Europa D. Mars 1. It contains large amounts of frozen water 2. The temperature of its atmosphere is increased by high levels of carbon dioxide 3.

Which mountain ranges are part of the Cordilleras? Blue Ridge Mountains Laurentian Mountains Rocky Mountains Sierra Madre Occidental

How are s waves and vertical surface waves different?

Which two types of landforms are found in Brazil's northeast region