Permanent polyculture is an approach to sustainable agriculture where farms
A) are community-supported enterprises.
B) grow a single crop on large parcels of land.
C) and the crops grown on them are modeled on natural ecosystems.
D) use genetically modified super predator species to control pests.
C
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Which of the following statements about the Greenland and Antarctic ice sheets is false?
a. The volume of the world’s ice in the Greenland and Antarctic ice sheets is much greater than the cumulative volume of the world’s ice stored in mountain glaciers. b. The Greenland and Antarctic ice sheets together contain about 90% of the world’s freshwater. c. If 20% of the water in the Greenland and Antarctic ice sheets were to melt sea level would rise by over 6 meters (20 ft). d. The Greenland and West Antarctica ice sheets are both losing ice at the rate of about 150 million cubic kilometers per year. e. The Greenland ice sheet is a remnant of the continental glaciers of the last Ice Age.
Who is considered to be the "father of physical oceanography" because of publication of information from ship's logs in the book "The Physical Geography of the Seas"?
a. Benjamin Franklin b. Prince Henry the Navigator c. Matthew Maury d. Charles Darwin
The San Andreas Fault is an example of a transform fault.
Answer the following statement true (T) or false (F)
Location of specific biomes can be predicted based on:
A. Seasonal variations in sunspots B. Precipitation and temperature C. The coriolis effect D. The second law of thermodynamics E. Large landforms in the area