What conditions determine the shape of an orogenic wedge?
What will be an ideal response?
Ans: The shape of an orogenic wedge is controlled by the basal friction, the internal strength of the material within the wedge, and erosion at the surface of the wedge.
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Precipitation that falls on Earth's surface ________
A) may take a variety of pathways through surface water or groundwater flow B) is usually already unusable because of acid rain C) mostly runs off into salt marshes or the ocean D) is mostly taken up by plants or other organisms E) almost entirely filters down into the underground aquifers
The life cycle of a midlatitude cyclone generally has ________ stages
A) four B) one C) two D) ten E) six
The Germanic languages of Europe include many tongues other than German itself. List them:
On average, the illuminated zone in oceans is to a depth of ________, but in some oceans may be as deep as ________
A) 100 m (330 ft); 500 m (1,640 ft) B) 60 m (200 ft); 300 m (1,000 ft) C) 30 m (100 ft); 900 m (3,000 ft) D) 20 m (66 ft); 30 m (100 ft)