Which of the following scales are used for measuring earthquake intensity?
A. Richter scale
B. Moment magnitude scale
C. Mercalli scale
D. All the choices are correct.
Answer: C
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The problems experienced by Cyprus during the past four decades include all but which of the following?
A) a Greek-inspired military coup B) a Turkish army invasion C) a partition of the island by the British as part of independence D) an increasing spatial segregation of Greeks and Turks E) division of the capital city by a buffer zone patrolled by UN soldiers
Read the following paragraph to answer the question:The Mt. St. Helens eruption in Washington state in 1980 measured 5 on the volcanic explosivity index (VEI). Only 57 people died from the Mt. St. Helens since most people were warned to evacuate the area prior to the event. Four years later, in 1985, Nevado del Ruiz in Colombia erupted. While only measuring 3 on the VEI, the eruption resulted in 25,000 deaths when unsuspecting residents of local towns were overrun by fast-moving lahars.How much more volcanic material was released by the Mt. St. Helens eruption compared to Nevado del Ruiz?
A. Ten thousand times more B. A hundred times more C. Ten times more D. Twice as much
Geography is often called the ____ science because it includes the recognition, analysis, and explanation of variations in phenomena as they are distributed on Earth's surface
a. Earth b. special c. spatial d. social
Glossopteris, a fossil found in Africa, Australia, India, South America, and Antarctica, is significant because ________
A) it demonstrated that all of the continents where the fossil is found must have been tropical when the organism was alive B) it demonstrated that all of the continents where the fossil is found must have been cold when the organism was alive. C) it demonstrated that wind could not have dispersed the organism over such a large area D) it demonstrated that water could not have dispersed the organism over such a large area