This is the driest region on Earth
A) the Sahara Desert of North Africa
B) the Atacama Desert of Chile
C) the Sonoran Desert of Mexico and the southwestern United States
D) the Middle East
Answer: B
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Developments in Algeria were among the first to draw attention to the problem of conflict diamonds.
a. true b. false
An element has two different isotopes: one that weighs 65 amu and another that weighs 67 amu. If the average atomic mass of all the isotopes is 66.5 amu, what can be said about the relative abundance of the isotopes?
A) The isotope with the mass of 67 is more abundant than the isotope with the mass of 65. B) The isotope with the mass of 65 is more abundant than the isotope with the mass of 67. C) The isotope with the mass of 66.5 is more abundant than the isotope with the mass of 67. D) The isotope with the mass of 66.5 is more abundant than the isotope with the mass of 65. E) All the isotopes have the same relative abundance.
Which of the following is a common setting for a spring?
A. sedimentary rocks overlie crystalline rocks along an unconformity B. the water table intersects the surface C. a permeable rock overlies a less permeable one D. All of these. E. None of these.
Which of the following looks at the achievement of purchasing power, life expectancy, and education to measure development and well-being?
A. Human Development Index B. Gender Empowerment Measure C. The World Database of Happiness D. Human Poverty Index