Ensemble forecasting
A) is rarely used.
B) uses several runs for the same forecast period.
C) cancels out the chaos effect.
D) allows accurate forecasting for at least two weeks.
Answer: B
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Answer the following statement(s) true (T) or false (F)
1. Over the past 30 years, public concern for the environment has declined sharply. 2. Washington State University researchers found a nearly perfect correspondence between people’s environmental beliefs and environmental values. 3. Poor people tend to have little concern for the environment, as they must be concerned first with economic survival. 4. The United States has the highest rate of environmental concern of all industrialized countries. 5. Inglehart suggests that postmaterialist countries are more environmentally aware than materialist countries.
Why is wind less effective than moving water at picking up and moving materials?
A) Air does not move very far
B) Air is less dense than water
C) Air moves faster than water
D) Air moves slower than water
Herbivores, carnivores, omnivores, and detritivores are subclasses of which one of the four components of a typical ecosystem?
a. abiotics b. autotrophs c. decomposers d. consumers
If uplift increases elevation, which process most effectively lowers elevation?
A) erosion B) mass movement C) earthquakes D) shear forces