What is the population of the world likely to be by the year 2050?
a. 5 billion
b. 7 billion
c. 9 billion
d. 11 billion
e. 13 billion
C
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An episode of mountain building involving deformation, usually accompanied by igneous
activity, metamorphism, and crustal thickening:a. stratigraphy d. Big Bang b. hot spot e. orogeny c. bonding
Why is it so expensive to desalinate water? What will be an ideal response?
Rice is a favorite crop grown in intensive subsistence agriculture because
A) it has a high yield per acre and is rich in nutrients. B) it is a cultural food. C) it can be grown intensively in areas that are arid, with irrigation. D) it is highly mechanized in Asia. E) it is grown on farms with very large land area.
Geographic factors are important when considering environmental issues or when evaluating potential sites for a new agricultural area or business because
A. the most important environmental issues and the advantages of sites for a new agricultural areas or businesses are often the same across space. B. location and spatial distributions often affect environmental, social, or economic behavior. C. it is seldom important to investigate environmental issues or evaluate potential sites from a holistic approach. D. environmental policies and zoning regulations seldom consider geographic factors.