Explain how the front of a glacier can move upslope in a retreating valley glacier if the ice is continually moving downslope
What will be an ideal response?
Ice always flows from the zone of accumulation to the zone of wastage, but if more ice melts, or calves off in icebergs, than forms from accumulated snow, then the overall length of the glacier decreases and the front retreats upvalley.
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Which of the following best represents the actual percentage of the world's population that gets their drinking water from aquifers?
A. 50% B. 25% C. 75% D. 100%
Geocoding is used by Internet browsers such as Google and Yahoo for location-based services.
Answer the following statement true (T) or false (F)
The region between two adjacent isograds ____
A)does not vary in width within a given metamorphic formation B)is always nonfoliated rock C)is composed of non-metamorphosed rock D)makes up a single metamorphic zone E)is where rock types change
Los Angeles has especially bad inversion problems because it
A. Generally has cloudy skies at night B. Occupies such a large geographical area C. Is in a warm climate and is partly ringed by mountains D. Lies on a flat space by the ocean E. All of these are correct