When driving on a foggy night, it is often difficult to see the road when the high beam lights are on. Which of the following processes explains why this happens?
A. transmission of light by the fog
B. absorption of light by the fog
C. refraction of light by the fog
D. scattering of light by the fog
Answer: D
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Indicate whether the statement is true or false
The soil with the highest cation exchange capacity will have
A) abundant organic matter and acidic conditions. B) abundant organic matter and alkaline conditions. C) little organic matter and acidic conditions. D) little organic matter and alkaline conditions.
In 1921, J. Bjerknes and his co-authors published what came to be known as the polar front theory. Which one of the following statements is correct regarding this theory?
A) It was shown to be applicable only to winter storms in the Southern Hemisphere. B) The main features of the theory remain an important part of present-day meteorological thought. C) The polar front theory was largely incorrect from the very beginning. D) Although it was useful at the time, it is no longer a useful model.
The figure above shows an upper-level 500 mb weather map drawn over North America. What is the direction of the geostrophic wind at the location of the star?
a. Northeasterly b. Northwesterly c. Southwesterly d. Southeasterly