What would happen to ozone levels if global volcanic activity increased?
A. Ozone levels would increase
B. Ozone levels would not change
C. Ozone levels would decrease
Answer: C
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Which of the following statements describes the radiative behaviour of a red shirt?
A. It selectively absorbs infrared wavelengths and scatters the rest. B. It selectively scatters red wavelengths of visible light and absorbs the rest. C. It selectively absorbs red wavelengths and scatters infrared wavelengths. D. It selectively absorbs red wavelengths of visible light and scatters the rest.
During metamorphic process, the rock essentially remains a _____.
Fill in the blank(s) with the appropriate word(s).
Maps of the Difficulty: Global distribution of the mean height of the 500 mb surface in January and July demonstrate that all of the following is true, except:
A) 500 mb heights are greatest over the tropics. B) 500 mb heights typically increase with increasing latitude. C) the gradient in height is greatest in the hemisphere experiencing winter. D) for a given latitude the 500 mb height is greater in summer than in winter.
Which geologic hazard can be triggered by a volcanic landslide?
A. Earthquake B. Tsunami C. Steam explosion D. Pyroclastic flow