Which of the following statements describes weather fronts in the southern hemisphere?
A. Warm fronts are associated with high-pressure systems.
B. Precipitation associated with warm fronts tends to be brief and intense.
C. Precipitation associated with warm fronts tends to be gentle and prolonged.
D. Cold and occluded fronts are associated with high-pressure systems.
Answer: C
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When the climax community appears,
A) biodiversity increases. B) the total energy fixed exceeds the energy used by respiration. C) K-selected species become increasingly favored over r-selected species. D) All of these happen.
Currently, most of the world's forests are
A. secondary-growth. B. old-growth. C. tree plantations. D. clear cut. E. protected.
How might you distinguish a sodium-vapor street lamp from a mercury-vapor street lamp?
A. The shadows cast from a sodium-vapor street lamp tend to be more diffuse around the edges. B. Ask your local utility company to identify these lamps for you. C. Look at the street lamps through a spectroscope and match their spectral patterns to their respective atomic spectra. D. Use binoculars to look for printing adjacent to the bulb.
The combination of soil, climate, and other physical features that contribute to the distinctive taste of a wine is referred to as:
A) ecosystem B) climate C) terroir D) taboo E) niche