The combination of the weathering and erosion of the stream bank and the cutting into the bedrock from the velocity of the stream combine to make a "stream valley".
<h3>
What is stream valley?</h3>
A stream valley is an earthen dip where water is present at its lowest point. These valleys are the result of erosion, which is the transfer of decomposed rock or soil from one location to another.
The formation of stream valley is given below-
- The typically V-shaped stream valley is changed to a U-shaped valley because the U-shape offers the flowing glacier the least amount of frictional resistance.
- Because a glacier's cross section and viscosity are substantially greater than those of a river, its route has fewer and wider bends.
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Answer:
Large population centers, or urban areas (1), allow civilizations to develop, although people who live outside these urban centers are still part of that region’s civilization. Rural residents of civilizations may include farmers, fishers, and traders, who regularly sell their goods and services to urban residents.
The huge urban center of Teotihuacan, in modern-day Mexico, for example, had as many as 200,000 residents between 300 and 600 CE. The development of the Teotihuacano civilization was made possible in part by the rich agricultural land surrounding the city. As land was cultivated, fewer farmers could supply more food staples, such as corn and beans, to more people.
Trade also played a part in Teotihuacan’s urban development. Much of the wealth and power of Teotihuacan was due to excavating and trading the rich deposits of obsidian around the city. Obsidian is a hard volcanic rock that was highly valued as a cutting tool. Teotihuacano merchants traded (exported) obsidian to surrounding cultures in exchange for goods and services imported to Teotihuacano settlements.
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The erosion events that are caused by gravity are :
<h3>What is erosion and how did gravity cause erosion?</h3>
Erosion can be regarded as the washing away of the top soil by the agent of erosion such as wind or water or man.
However, gravity can play a role in the erosion process by moving the earth materials and draw them from the higher elevations till the lower elevations.
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Answer:
Fires affect animals mainly through effects on their habitat. ... species are adapted to survive the pattern of fire frequency, season, size, ... effects on small mammal populations (either positive or ... teractions of fire with other disturbances such as ... Historic Perspective ______ ... grass Prairie remain in use for cattle grazing.
Explanation:
