Density-independent factors such as earthquakes and hurricanes are
A) abiotic factors that maintain a population near equilibrium.
B) biotic factors that maintain a population near equilibrium.
C) abiotic factors that are not involved in maintaining a population near its equilibrium.
D) biotic factors that are not involved in maintaining a population near its equilibrium.
C
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How does the GDP (Gross Domestic Product) differ from the GPI (Genuine Progress Indicator)?
a. The GDP reflects only a single calendar year, while the GPI looks at historical trends and projects into the future. b. The GPI takes into account externalities (both good and bad) and other nonmarket values, while the GDP does not. c. GDP does not include items bought and sold over the Internet. Critics say that this makes the GDP out-of-date and came up with the GPI to add these purchases into the calculations. d. GPI reflects the total value of goods and services, while the GDP focuses only on the goods produced
After joining the Peace Corps, a volunteer's assignment is to help spread good agricultural practices to people living in the humid tropics. After receiving training, the volunteer most likely tells the local farmers to
A) use oxen or mules to deep plow and turn the soil to bring deep nutrients to the surface. B) dig deeper wells to bring up water reserves that will triple the productivity of their fields. C) start a water catchment, apply manure, mulch to their fields, and avoid tilling the soil if possible. D) shift to crops like rice, which are more resistant to the natural pests and parasites.
________ writings emphasized mystical aspects of life based on Tao
A) Siddhartha Gautama B) Dalai Lama C) Lao-Zi D) Confucius E) Guru Nanak
Hydrogen in fuel cells powers automobiles by
A) generating electricity. B) creating rapidly combustible hydrogen compounds. C) generating changes in gas pressures that move pistons in car engines. D) combining with equal parts of gasoline to create a fuel with extra octane.