What type of slope failure has occurred in the Slumgullion area of Colorado?
A) A huge rock fall that formed Colorado's second largest lake
B) A debris flow that came down Big Thompson Canyon
C) A debris avalanche that raced downhill at breathtaking speeds
D) A slow-moving earth flow
D) A slow-moving earth flow
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The moderate temperatures of islands worldwide ha mainly to do with water's
A. vast supply of thermal energy. B. high specific heat capacity. C. high evaporation rate. D. poor conductivity.
Global climate change may cause shifts in biomes because _____
A) biodiversity and day length will change B) mean temperature and precipitation for many areas will change C) many species may become extinct D) food web dynamics will change
Argues that the same processes seen today have operated throughout geologic time (i.e., the
present is the key to the past): a. catastrophism d. uniformitarianism b. neptunism e. communism c. plutonism
Which one of the following shows the correct order (left to right) of decreasing magma viscosity?
A) basalt, rhyolite, andesite B) rhyolite, andesite, basalt C) basalt, andesite, rhyolite D) andesite, rhyolite, basalt