Which statement about valley glaciers is true?
A)They tend to flow faster than continental glaciers.
B)They carry sediments only in the lower part of the ice.
C)They are confined to high latitude regions.
D)They are not controlled by land topography.
E)They are much larger than continental glaciers.
A
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Monkey Mo hangs at rest by holding a rope with one hand and the side of his cage with the other. All the forces acting on him
A. cancel except for his weight vector, mg. B. have equal magnitudes. C. have a vector sum of zero. D. none of the above
The process of breaking rocks into pieces ranging in size from boulders to pebbles, sand grains, and silt, down to microscopic clay particles and dissolved solids is called:
A) erosion B) weathering C) decomposition D) degradation E) denudation
Which type of commercial agriculture is usually located in drier areas?
A) mixed crop and livestock farming B) dairy farming C) grain farming D) cattle ranching E) Mediterranean farming
General circulation models (GCMs) of the atmosphere
A) are based on statistical three-dimensional grids that characterize portions of the atmosphere and ocean in terms of climate-related variables. B) are pre-computer based models that estimated atmospheric and oceanic circulation and are now being used to study climate change. C) calculate the concentrations of greenhouse gases in the atmosphere based on data from weather stations located around the globe. D) are highly simplistic models that use one or two variables to test the veracity of climate proxies, such as ice core and ocean sediment core samples. E) weather forecasting models to predict occurrences of severe weather events.